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Animal Health Industry Acronyms

Animal Health Industry Acronyms

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This glossary highlights specialized terminology used across the Life Sciences sector in the Animal Health Practice, including veterinary regulation, therapeutics, disease control, diagnostics, production, welfare, and antimicrobial stewardship. It helps executives and practitioners interpret technical, operational, and policy discussions consistently.

0–9 A B C D E F G H I J K L M N O P Q R S T U V W

0–9
3Rs Replacement, Reduction and Refinement:
Principles for replacing animal studies where possible, reducing the number of animals used, and refining procedures to minimize pain or distress in research and product development.
A
AAALAC Association for Assessment and Accreditation of Laboratory Animal Care International:
An independent organization that accredits animal care and use programs, helping research institutions and manufacturers demonstrate high standards of laboratory animal welfare.
AABP American Association of Bovine Practitioners:
A professional organization representing veterinarians who work with cattle and influence bovine medicine, herd health, welfare, and production practices.
AAEP American Association of Equine Practitioners:
A professional body that develops guidance and continuing education for equine medicine, vaccination, biosecurity, welfare, and clinical practice.
AAFCO Association of American Feed Control Officials:
A U.S. association that develops model laws, ingredient definitions, feeding-trial protocols, and labeling standards used by state animal-feed and pet-food regulators.
AAFP American Association of Feline Practitioners:
A professional association that publishes feline clinical, vaccination, handling, and welfare guidelines used by veterinary practices and product developers.
AAHA American Animal Hospital Association:
A veterinary organization known for companion-animal hospital accreditation and widely used clinical guidance on vaccination, nutrition, preventive care, and practice standards.
AASV American Association of Swine Veterinarians:
A professional association focused on swine health, production medicine, biosecurity, antimicrobial stewardship, and disease-control policy.
AAVLD American Association of Veterinary Laboratory Diagnosticians:
An organization supporting quality systems, methods, accreditation, and collaboration among laboratories that diagnose animal diseases and conduct surveillance.
ADG Average Daily Gain:
The average body-weight increase per animal per day, used to assess growth performance, health interventions, nutrition programs, and production economics.
ADI Acceptable Daily Intake:
The amount of a veterinary-drug residue that can be consumed daily over a lifetime without appreciable health risk, supporting food-animal residue limits and withdrawal requirements.
ADUFA Animal Drug User Fee Act:
U.S. legislation authorizing fees that fund regulatory review of new animal-drug applications and associated post-approval activities.
AE Adverse Event:
An unfavorable observation occurring after use of a veterinary product, whether or not causally related, that may require investigation, reporting, or label action.
AFIA American Feed Industry Association:
A U.S. trade association representing animal-feed and ingredient manufacturers on feed safety, regulation, manufacturing practices, and supply-chain policy.
AGDUFA Animal Generic Drug User Fee Act:
U.S. legislation establishing fees to support timely review of generic new animal-drug submissions and related regulatory work.
AGID Agar Gel Immunodiffusion:
A serological method that detects antigen-antibody precipitation and is used in veterinary disease diagnosis, screening, and surveillance.
AHPND Acute Hepatopancreatic Necrosis Disease:
A severe bacterial disease of farmed shrimp that can cause rapid mortality and substantial losses in aquaculture operations.
AHS African Horse Sickness:
A vector-borne viral disease of equids subject to international notification and strict controls because of its high mortality and trade implications.
AHS American Heartworm Society:
A professional organization that issues widely used canine and feline heartworm prevention, diagnosis, and treatment guidelines.
AI Artificial Insemination:
A reproductive technique used in livestock, equine, and companion-animal breeding programs to disseminate genetics and manage disease transmission.
AI Avian Influenza:
A viral disease of birds that ranges from low-pathogenic infections to severe outbreaks with major poultry-health, zoonotic, biosecurity, and trade consequences.
AIAO All-In/All-Out:
A production and biosecurity system in which groups enter and leave facilities together, allowing cleaning and disinfection between cohorts and reducing pathogen carryover.
AIV Avian Influenza Virus:
The influenza A viruses responsible for avian influenza, classified and monitored according to subtype, pathogenicity, and animal- and public-health risk.
AMDUCA Animal Medicinal Drug Use Clarification Act:
A U.S. law permitting veterinarians to prescribe approved human or animal drugs for extra-label use under defined conditions and a valid veterinarian-client-patient relationship.
AMEG Antimicrobial Advice Ad Hoc Expert Group:
A European Medicines Agency expert group whose categorization of antibiotics supports prudent prescribing and antimicrobial-resistance risk management in animals.
AMR Antimicrobial Resistance:
The ability of microorganisms to withstand antimicrobial treatment, creating major implications for veterinary prescribing, food production, product stewardship, and One Health policy.
AMS Antimicrobial Stewardship:
Coordinated practices that improve antimicrobial selection, dosing, duration, prevention, and oversight while preserving treatment effectiveness and limiting resistance.
AMU Antimicrobial Use:
The quantity and pattern of antimicrobial administration in animals, measured to support benchmarking, stewardship, surveillance, and policy decisions.
ANADA Abbreviated New Animal Drug Application:
The U.S. regulatory submission used to seek approval of a generic animal drug by demonstrating equivalence to an approved reference product.
APHIS Animal and Plant Health Inspection Service:
The U.S. Department of Agriculture agency responsible for animal-disease control, veterinary biologics, import and export requirements, emergency response, and aspects of animal welfare.
APVMA Australian Pesticides and Veterinary Medicines Authority:
Australia’s regulator for veterinary medicines and agricultural chemicals, including product registration, labeling, residues, safety, and post-market oversight.
ARfD Acute Reference Dose:
An estimate of the amount of a substance that can be consumed within 24 hours without appreciable health risk, used when assessing acute exposure to veterinary-drug residues.
ASF African Swine Fever:
A highly consequential viral disease of domestic and wild pigs that drives intensive surveillance, movement controls, biosecurity, culling, and trade restrictions.
ASFV African Swine Fever Virus:
The resilient DNA virus responsible for African swine fever and a central target of diagnostics, epidemiological tracing, disinfection, and vaccine research.
AST Antimicrobial Susceptibility Testing:
Laboratory testing that determines how a bacterial isolate responds to antimicrobial agents, supporting treatment selection and resistance surveillance.
ATCvet Anatomical Therapeutic Chemical Classification System for Veterinary Medicinal Products:
A standardized system that classifies veterinary medicines by therapeutic use and active substance, enabling utilization analysis and market comparison.
AVMA American Veterinary Medical Association:
A major professional body representing U.S. veterinarians and shaping guidance, accreditation, ethics, public policy, clinical practice, and animal welfare.
AVM-GSL Authorised Veterinary Medicine – General Sales List:
A United Kingdom legal distribution category for veterinary medicines that may be supplied without professional prescribing or dispensing restrictions.
B
BCS Body Condition Score:
A standardized visual and palpation-based assessment of an animal’s fat reserves, used to guide nutrition, reproduction, welfare, and disease management.
BHB Beta-Hydroxybutyrate:
A ketone body measured in blood or milk to identify negative energy balance and subclinical or clinical ketosis, particularly in dairy cattle.
BQA Beef Quality Assurance:
A U.S. industry program promoting responsible cattle handling, treatment, recordkeeping, injection practices, biosecurity, and food-safety controls.
BRD Bovine Respiratory Disease:
A multifactorial respiratory syndrome and major cause of cattle morbidity, mortality, antimicrobial use, and production loss.
BRSV Bovine Respiratory Syncytial Virus:
A common viral contributor to bovine respiratory disease that is addressed through vaccination, biosecurity, and herd-health management.
BSE Bovine Spongiform Encephalopathy:
A fatal prion disease of cattle subject to feed controls, surveillance, specified-risk-material rules, and international trade requirements.
BSL Biosafety Level:
A graded containment designation defining facility, equipment, and work-practice requirements for handling biological hazards in laboratories.
BTV Bluetongue Virus:
A vector-borne orbivirus affecting ruminants that can trigger vaccination campaigns, movement restrictions, surveillance, and trade disruption.
BVA British Veterinary Association:
A professional association representing United Kingdom veterinarians on clinical standards, workforce issues, medicines, welfare, and public policy.
BVD Bovine Viral Diarrhoea:
A cattle disease complex associated with reproductive loss, immunosuppression, persistent infection, and impaired herd productivity.
BVDV Bovine Viral Diarrhoea Virus:
The pestivirus responsible for bovine viral diarrhoea and a target of herd screening, removal of persistently infected animals, biosecurity, and vaccination.
C
CAC Codex Alimentarius Commission:
The international food-standards body that adopts maximum residue limits and risk-management standards relevant to veterinary medicines and foods of animal origin.
CAFO Concentrated Animal Feeding Operation:
A U.S. regulatory classification for large confined livestock or poultry operations, with implications for health management, waste controls, biosecurity, and environmental compliance.
CAHSS Canadian Animal Health Surveillance System:
A national network that coordinates animal-health intelligence, disease surveillance, data sharing, and stakeholder response across Canada.
CAPC Companion Animal Parasite Council:
A nonprofit organization that publishes parasite-control recommendations and prevalence maps for veterinarians and pet owners in North America.
CBPP Contagious Bovine Pleuropneumonia:
A severe respiratory disease of cattle subject to international reporting, surveillance, movement controls, and eradication programs.
CCPP Contagious Caprine Pleuropneumonia:
A highly contagious respiratory disease of goats that can cause substantial mortality and disrupt small-ruminant production and trade.
CCRVDF Codex Committee on Residues of Veterinary Drugs in Foods:
The Codex committee that develops residue standards, risk-management recommendations, and maximum limits for veterinary drugs in food commodities.
CDV Canine Distemper Virus:
A contagious morbillivirus causing systemic and neurological disease in dogs and wildlife and addressed through core vaccination programs.
CFIA Canadian Food Inspection Agency:
Canada’s federal authority for reportable animal diseases, veterinary biologics, animal imports and exports, feed regulation, and food inspection.
CFR Case Fatality Rate:
The proportion of diagnosed animals that die from a disease during a defined period, used to assess severity and inform outbreak response.
CFR Code of Federal Regulations:
The codification of U.S. federal rules, including requirements governing animal drugs, medicated feed, veterinary biologics, residues, and animal welfare.
CFU Colony-Forming Unit:
A measure of viable microorganisms used in microbiology, vaccine or probiotic characterization, contamination assessment, and product specifications.
CHED Common Health Entry Document:
An official European Union document used for pre-notification and border-control clearance of specified animals and animal-origin consignments.
CIA Critically Important Antimicrobial:
An antimicrobial class considered essential to human medicine, requiring heightened stewardship and risk management when used in animals.
CIPARS Canadian Integrated Program for Antimicrobial Resistance Surveillance:
A national program monitoring antimicrobial use and resistance across humans, animals, and food to support One Health policy and stewardship.
CNADA Conditional New Animal Drug Application:
A U.S. submission pathway allowing conditional approval of eligible animal drugs when reasonable expectations of effectiveness have been established but full effectiveness evidence is still being completed.
CPV Canine Parvovirus:
A highly contagious viral pathogen causing severe gastrointestinal disease, especially in puppies, and prevented through core vaccination.
CSF Classical Swine Fever:
A contagious viral disease of pigs that requires rapid diagnosis, notification, movement controls, and coordinated eradication measures.
CSFV Classical Swine Fever Virus:
The pestivirus responsible for classical swine fever and a key target of surveillance, outbreak tracing, vaccination policy, and trade controls.
Ct Cycle Threshold:
The amplification cycle at which a molecular diagnostic signal crosses a defined threshold; its value helps interpret the amount of target nucleic acid in a sample.
CVB Center for Veterinary Biologics:
The U.S. regulatory center responsible for licensing and oversight of veterinary vaccines, bacterins, diagnostic kits, and other animal biologics.
CVI Certificate of Veterinary Inspection:
An official document certifying an animal’s identity and health status for movement, exhibition, sale, or entry into another jurisdiction.
CVM Center for Veterinary Medicine:
The U.S. Food and Drug Administration center regulating animal drugs, animal food, food additives, devices, and associated safety and compliance activities.
CVMA Canadian Veterinary Medical Association:
Canada’s national professional association for veterinarians, addressing clinical standards, workforce, welfare, public health, and veterinary policy.
CVMP Committee for Veterinary Medicinal Products:
The European Medicines Agency committee that evaluates veterinary medicines and develops scientific opinions and regulatory guidance.
CVO Chief Veterinary Officer:
The senior government veterinary official responsible for national animal-health policy, disease reporting, emergency response, certification, and international coordination.
CWD Chronic Wasting Disease:
A fatal prion disease of deer, elk, and related cervids that requires surveillance, movement controls, testing, and wildlife-population management.
CXL Codex Maximum Residue Limit:
An internationally adopted maximum concentration for a residue in food or feed, used to facilitate trade while protecting consumer health.
D
DANMAP Danish Integrated Antimicrobial Resistance Monitoring and Research Programme:
Denmark’s One Health program for tracking antimicrobial consumption and resistance in humans, food animals, and food.
DAPP Distemper, Adenovirus, Parainfluenza and Parvovirus:
A combination canine vaccine designation covering core viral antigens and, depending on formulation, parainfluenza protection.
DCDvet Defined Course Dose for Animals:
A standardized estimate of the amount of an antimicrobial needed for one treatment course, enabling comparison of veterinary antimicrobial consumption.
DDDvet Defined Daily Dose for Animals:
A technical unit representing an assumed average daily maintenance dose in a specified species, used to standardize antimicrobial-use analysis.
DHPP Distemper, Hepatitis, Parainfluenza and Parvovirus:
A common designation for a combination canine vaccine protecting against several major infectious diseases.
DIN Drug Identification Number:
The unique number assigned by Health Canada to an authorized drug product, including veterinary products, to identify its formulation, manufacturer, and approved status.
DIVA Differentiating Infected from Vaccinated Animals:
A vaccine-and-diagnostic strategy that distinguishes natural infection from vaccination, supporting surveillance, eradication programs, and trade continuity.
DMI Dry Matter Intake:
The quantity of feed consumed after excluding water content, used to assess nutrition, health, feed efficiency, and production performance.
DOA Dead on Arrival:
A transport and welfare metric recording animals that die before reaching a farm, market, slaughter facility, or other destination.
DVM Doctor of Veterinary Medicine:
A professional veterinary degree and credential commonly used to identify qualified veterinarians in North America.
E
EAD Emergency Animal Disease:
A serious disease event requiring urgent, coordinated government and industry action to contain animal-health, public-health, or economic impacts.
EARS-Vet European Antimicrobial Resistance Surveillance Network in Veterinary Medicine:
A European network designed to harmonize and strengthen monitoring of antimicrobial resistance in bacterial pathogens from animals.
EFSA European Food Safety Authority:
The European Union agency providing scientific risk assessments on food and feed safety, zoonoses, antimicrobial resistance, animal health, welfare, and residues.
EHC Export Health Certificate:
An official veterinary certificate confirming that animals or animal products meet the importing country’s health and sanitary requirements.
EHV Equine Herpesvirus:
A group of viruses causing respiratory, reproductive, neonatal, and neurological disease in horses, with important vaccination and movement-control implications.
EIA Equine Infectious Anaemia:
A lifelong viral infection of equids controlled through serological testing, movement certification, quarantine, and removal of infected animals.
EID50 50% Egg Infectious Dose:
The quantity of virus expected to infect half of inoculated embryonated eggs, used in virology, vaccine development, and potency characterization.
ELDU Extra-Label Drug Use:
Use of an approved drug in a manner not stated on its label, such as for another species, indication, dose, route, or frequency, under applicable veterinary oversight rules.
ELISA Enzyme-Linked Immunosorbent Assay:
A laboratory method for detecting or quantifying antibodies or antigens in disease diagnosis, surveillance, vaccine evaluation, and herd screening.
EMA European Medicines Agency:
The European Union agency coordinating scientific evaluation, authorization, safety monitoring, and regulatory guidance for centrally assessed veterinary medicines.
EMPRES-AH Emergency Prevention System for Animal Health:
A Food and Agriculture Organization program supporting early warning, preparedness, and control of high-impact transboundary and emerging animal diseases.
EPA Environmental Protection Agency:
The U.S. agency that regulates pesticides used on animals or in animal environments, including many ectoparasite and facility-control products.
EPG Eggs per Gram:
A measure of parasite eggs in feces used to estimate infection burden, guide treatment, and evaluate anthelmintic efficacy or resistance.
ESBL Extended-Spectrum Beta-Lactamase:
An enzyme produced by certain bacteria that confers resistance to many beta-lactam antibiotics and is monitored in animals, food, and people.
ESCCAP European Scientific Counsel Companion Animal Parasites:
An independent organization providing evidence-based European guidance on parasite diagnosis, treatment, prevention, and zoonotic risk in companion animals.
ESUAvet European Sales and Use of Antimicrobials for Veterinary Medicine:
The European system for collecting standardized data on veterinary antimicrobial sales and use to support stewardship and regulatory oversight.
ESVAC European Surveillance of Veterinary Antimicrobial Consumption:
The established European program that compiled comparable national data on sales of veterinary antimicrobials and supported consumption benchmarking.
EuFMD European Commission for the Control of Foot-and-Mouth Disease:
A Food and Agriculture Organization commission that supports preparedness, surveillance, training, and progressive control of foot-and-mouth disease.
EURL European Union Reference Laboratory:
A designated expert laboratory that supports harmonized diagnostic methods, proficiency testing, reference materials, and scientific coordination for specified hazards or diseases.
EVVet EudraVigilance Veterinary:
The former European electronic system for exchanging and managing suspected adverse-event reports for veterinary medicinal products, whose data were migrated to the newer Union system.
F
FAD Foreign Animal Disease:
A transmissible livestock or poultry disease not ordinarily present in a country and requiring heightened diagnostic, reporting, and emergency-response measures.
FAD PReP Foreign Animal Disease Preparedness and Response Plan:
The U.S. framework of strategies, guidance, and response tools for controlling high-consequence animal-disease outbreaks.
FAO Food and Agriculture Organization of the United Nations:
A United Nations agency supporting animal-health systems, livestock production, transboundary disease control, food security, and antimicrobial-resistance initiatives.
FARAD Food Animal Residue Avoidance Databank:
A U.S. decision-support resource that helps veterinarians prevent violative residues by providing withdrawal guidance for food-producing animals.
FARM Farmers Assuring Responsible Management:
A U.S. dairy-industry program covering animal care, antibiotic stewardship, environmental practices, workforce development, and biosecurity.
FAVN Fluorescent Antibody Virus Neutralization:
A laboratory test measuring rabies-virus neutralizing antibodies, often used to document immune response for animal travel or import requirements.
FCE Feed Conversion Efficiency:
A measure of productive output relative to feed consumed, used to evaluate nutrition, health, genetics, and production economics.
FCR Feed Conversion Ratio:
The amount of feed required to produce a unit of weight gain or other output; lower values generally indicate greater production efficiency.
FCV Feline Calicivirus:
A contagious cause of feline respiratory and oral disease included in core combination vaccination programs.
FDA U.S. Food and Drug Administration:
The federal agency responsible for regulating animal drugs and food through its veterinary center, including approvals, manufacturing oversight, residues, labeling, and pharmacovigilance.
FD&C Act Federal Food, Drug, and Cosmetic Act:
The principal U.S. statute governing the approval, manufacturing, labeling, distribution, and enforcement of animal drugs and animal food.
FEC Fecal Egg Count:
A quantitative estimate of parasite eggs in feces used to assess infection intensity and inform targeted treatment decisions.
FECRT Fecal Egg Count Reduction Test:
A before-and-after test used to estimate an anthelmintic’s effectiveness and detect suspected parasite resistance.
FEDIAF European Pet Food Industry Federation:
The representative body for Europe’s pet-food industry, known for nutritional guidelines, labeling guidance, and responsible manufacturing principles.
FeLV Feline Leukaemia Virus:
A contagious retrovirus associated with immunosuppression, anemia, and cancer in cats and managed through testing, vaccination, and exposure control.
FHV-1 Feline Herpesvirus Type 1:
The virus responsible for feline viral rhinotracheitis and an important component of core feline vaccination and respiratory-disease control.
FIV Feline Immunodeficiency Virus:
A lentivirus that impairs feline immune function and is managed through diagnostic testing, risk reduction, and long-term clinical care.
FMD Foot-and-Mouth Disease:
A highly contagious disease of cloven-hoofed animals with major consequences for livestock production, outbreak response, vaccination policy, and international trade.
FMDV Foot-and-Mouth Disease Virus:
The aphthovirus responsible for foot-and-mouth disease, with multiple serotypes that complicate vaccine selection and immunity.
FSIS Food Safety and Inspection Service:
The U.S. Department of Agriculture agency overseeing meat, poultry, and processed egg safety, including residue testing and humane-handling enforcement.
FSMA Food Safety Modernization Act:
A U.S. law emphasizing preventive controls across food and feed operations, including facilities manufacturing animal food.
FVE Federation of Veterinarians of Europe:
An umbrella organization representing European veterinary associations on medicines, professional practice, public health, welfare, and regulatory policy.
FVRCP Feline Viral Rhinotracheitis, Calicivirus and Panleukopenia:
A core combination vaccine designation covering three major contagious feline diseases.
G
GF-TADs Global Framework for the Progressive Control of Transboundary Animal Diseases:
A joint international framework that coordinates strategies and capabilities for preventing and controlling high-impact diseases crossing national borders.
GLEWS+ Global Early Warning System Plus:
A collaborative system that combines animal-, human-, and ecosystem-health intelligence to detect and assess emerging threats at the human-animal-environment interface.
GRAS Generally Recognized as Safe:
A U.S. regulatory status for substances considered safe under their intended conditions of use, including certain animal-food ingredients.
GVPP Good Veterinary Pharmacovigilance Practice:
Principles and procedures for collecting, evaluating, reporting, and acting on safety information for veterinary medicinal products.
H
HI Haemagglutination Inhibition:
A serological assay used to detect and quantify antibodies against viruses that agglutinate red blood cells, including avian influenza and Newcastle disease viruses.
HPAI Highly Pathogenic Avian Influenza:
A severe form of avian influenza that causes major poultry mortality and prompts mandatory reporting, depopulation, movement controls, surveillance, and trade restrictions.
HPCIA Highest Priority Critically Important Antimicrobials:
Antimicrobial classes considered especially important to human medicine and therefore subject to the strongest veterinary stewardship considerations.
I
IACUC Institutional Animal Care and Use Committee:
A U.S. oversight committee that reviews animal-use protocols, facilities, welfare provisions, and regulatory compliance at research institutions.
IB Infectious Bronchitis:
A highly contagious coronavirus disease of chickens affecting respiratory, reproductive, and renal performance and controlled through vaccination and biosecurity.
IBD Infectious Bursal Disease:
An immunosuppressive viral disease of young chickens that can increase mortality and reduce responses to other vaccines.
IBDV Infectious Bursal Disease Virus:
The birnavirus responsible for infectious bursal disease and a major target of poultry vaccination and maternal-antibody management.
IBR Infectious Bovine Rhinotracheitis:
A contagious respiratory and reproductive disease of cattle caused by bovine herpesvirus type 1 and managed through biosecurity, testing, and vaccination.
IBV Infectious Bronchitis Virus:
The avian coronavirus responsible for infectious bronchitis, with numerous variants that complicate diagnosis and vaccine-program design.
ICVI Interstate Certificate of Veterinary Inspection:
A U.S. document certifying that animals satisfy health requirements for movement between states.
IFA Immunofluorescence Assay:
A diagnostic technique using fluorescently labeled antibodies to detect specific antigens or antibodies in veterinary samples.
IFAT Indirect Fluorescent Antibody Test:
A serological method that uses a fluorescent secondary antibody to detect pathogen-specific antibodies in an animal’s sample.
IHN Infectious Haematopoietic Necrosis:
A serious viral disease of salmonid fish that can cause substantial mortality in hatcheries and aquaculture facilities.
IHNV Infectious Haematopoietic Necrosis Virus:
The rhabdovirus responsible for infectious haematopoietic necrosis and a target of aquatic-animal surveillance, movement controls, and biosecurity.
INAD Investigational New Animal Drug:
A U.S. regulatory status and file supporting lawful shipment and study of an unapproved animal drug during product development.
IPM Integrated Parasite Management:
A coordinated approach combining diagnostics, targeted treatment, environmental controls, husbandry, and refugia to control parasites while slowing resistance.
ISA Infectious Salmon Anaemia:
A contagious viral disease of Atlantic salmon with significant mortality, regulatory, and economic consequences for aquaculture.
ISAV Infectious Salmon Anaemia Virus:
The orthomyxovirus responsible for infectious salmon anaemia and a focus of farm biosecurity, testing, surveillance, and movement controls.
J
JECFA Joint FAO/WHO Expert Committee on Food Additives:
An international scientific committee that evaluates veterinary-drug residues and recommends acceptable daily intakes and residue limits for foods.
K
KHV Koi Herpesvirus:
A highly contagious virus causing severe disease and mortality in common carp and koi, with implications for aquaculture biosecurity and fish movements.
L
LOD Limit of Detection:
The lowest amount of an analyte that an analytical method can reliably distinguish from background, important in pathogen and residue testing.
LOQ Limit of Quantification:
The lowest amount of an analyte that a method can measure with acceptable accuracy and precision, supporting validated residue and diagnostic results.
LPAI Low Pathogenic Avian Influenza:
Avian influenza that generally causes milder disease in poultry but still requires surveillance because certain strains can evolve and affect trade.
LSD Lumpy Skin Disease:
A vector-associated viral disease of cattle causing skin lesions, production losses, movement restrictions, and vaccination campaigns.
LSDV Lumpy Skin Disease Virus:
The capripoxvirus responsible for lumpy skin disease and a target of molecular surveillance, vaccination, and outbreak-control programs.
M
MAFF Ministry of Agriculture, Forestry and Fisheries:
Japan’s government ministry responsible for veterinary medicinal products, animal health, livestock policy, disease control, and animal-product trade requirements.
MAH Marketing Authorisation Holder:
The company or legal entity responsible for an authorized veterinary medicine, including its quality, compliance, labeling, supply, and pharmacovigilance obligations.
MAP Mycobacterium avium Subspecies paratuberculosis:
The bacterium responsible for Johne’s disease, a chronic enteric infection causing production loss and premature culling in ruminants.
MAT Microscopic Agglutination Test:
A reference serological method used to detect antibodies to Leptospira serovars in animals.
MBC Minimum Bactericidal Concentration:
The lowest concentration of an antimicrobial that kills a defined proportion of a bacterial population, supporting antimicrobial characterization and research.
MDR Multidrug-Resistant:
Describes a microorganism resistant to multiple antimicrobial classes, complicating treatment and increasing the importance of diagnostics, infection control, and stewardship.
mg/PCU Milligrams per Population Correction Unit:
A standardized sales-based indicator expressing the mass of veterinary antimicrobial active ingredient relative to the estimated animal population at risk of treatment.
MIC Minimum Inhibitory Concentration:
The lowest concentration of an antimicrobial that visibly inhibits microbial growth, used to support susceptibility interpretation and resistance monitoring.
MLV Modified-Live Vaccine:
A vaccine containing an attenuated organism capable of limited replication, often producing strong immunity but requiring careful handling and appropriate animal selection.
MRL Maximum Residue Limit:
The highest legally permitted concentration of a veterinary-drug residue in food, established to protect consumers and support withdrawal-period decisions.
MRPL Minimum Required Performance Limit:
A legacy European benchmark specifying the analytical capability expected of laboratories testing for certain prohibited or unauthorized residues.
MUMS Minor Use and Minor Species:
A U.S. regulatory designation supporting development of animal drugs for uncommon diseases in major species or for species with relatively small markets.
N
NADA New Animal Drug Application:
The primary U.S. submission through which a sponsor demonstrates an animal drug’s safety, effectiveness, manufacturing quality, and appropriate labeling.
NAHEMS National Animal Health Emergency Management System:
A U.S. framework providing operational guidance for preparedness and response to animal-health emergencies.
NAHLN National Animal Health Laboratory Network:
A coordinated U.S. network of laboratories providing standardized testing, surge capacity, surveillance, and emergency diagnostic support.
NAHMS National Animal Health Monitoring System:
A U.S. program collecting nationally representative data on livestock, poultry, and aquaculture health, management, productivity, and biosecurity.
NAPHIA North American Pet Health Insurance Association:
An industry association that reports pet-insurance market data and develops standards and policy positions affecting veterinary-care financing.
NARMS National Antimicrobial Resistance Monitoring System:
A U.S. One Health surveillance program tracking antimicrobial resistance in enteric bacteria from people, retail meats, and food-producing animals.
NASEM National Academies of Sciences, Engineering, and Medicine:
A U.S. institution that publishes authoritative nutrient-requirement reports and scientific assessments used in animal feeding and health decisions.
NASPHV National Association of State Public Health Veterinarians:
A U.S. organization that develops recommendations at the animal-human health interface, including rabies prevention, zoonoses, and veterinary public health.
NAVC North American Veterinary Community:
A veterinary education organization providing conferences, publications, and professional learning used by clinicians and animal-health companies.
NAVTA National Association of Veterinary Technicians in America:
A professional organization representing veterinary technicians and supporting credentialing, specialty development, education, and workforce advocacy.
ND Newcastle Disease:
A contagious viral disease of birds that can cause severe poultry losses and requires vaccination, biosecurity, surveillance, and trade controls.
NDV Newcastle Disease Virus:
The avian orthoavulavirus responsible for Newcastle disease and a key target of poultry vaccine and diagnostic programs.
NEFA Non-Esterified Fatty Acids:
Blood biomarkers used to assess fat mobilization and negative energy balance, especially in transition dairy cows.
NFA-VPS Non-Food Animal – Veterinarian, Pharmacist, Suitably Qualified Person:
A United Kingdom supply category for certain non-prescription medicines intended for companion animals and dispensed by authorized professionals.
NOAEL No Observed Adverse Effect Level:
The highest tested exposure at which no treatment-related adverse effect is observed, supporting toxicological risk assessment and residue-limit setting.
NPIP National Poultry Improvement Plan:
A cooperative U.S. program establishing testing, sanitation, and certification standards for important poultry diseases and breeding-stock movement.
NRC National Research Council:
The body historically responsible for widely used U.S. nutrient-requirement publications that underpin animal-diet formulation and nutritional standards.
NRP National Residue Program:
The U.S. monitoring program that tests meat, poultry, and egg products for veterinary-drug, pesticide, and environmental contaminant residues.
NVAP National Veterinary Accreditation Program:
The U.S. program authorizing private veterinarians to perform specified regulatory functions such as health certification, testing, and disease-control work.
NVS National Veterinary Stockpile:
A U.S. repository and logistics capability for rapidly deploying veterinary countermeasures and supplies during high-consequence animal-disease events.
O
OIE Office International des Epizooties:
The historical acronym for the World Organisation for Animal Health, still encountered in legacy standards, certificates, regulations, and technical literature.
OTC Over the Counter:
A distribution status allowing an animal medicine to be sold without a prescription, subject to jurisdiction-specific labeling and retail requirements.
P
PCR Polymerase Chain Reaction:
A molecular method that amplifies target DNA for sensitive detection and characterization of animal pathogens.
PCU Population Correction Unit:
A standardized estimate of the food-animal population potentially exposed to antimicrobials, used as a denominator for comparing sales between countries or years.
PCV Packed Cell Volume:
The percentage of blood volume occupied by red blood cells, used to assess anemia, dehydration, and other clinical conditions.
PCV Porcine Circovirus:
A group of small DNA viruses affecting pigs, including types associated with systemic, reproductive, and respiratory disease.
PCVAD Porcine Circovirus-Associated Disease:
A collective term for disease syndromes linked to porcine circovirus type 2, managed through vaccination, husbandry, and control of contributing infections.
PED Porcine Epidemic Diarrhoea:
A highly contagious enteric disease of pigs that causes severe diarrhea and high mortality in neonatal piglets.
PEDV Porcine Epidemic Diarrhoea Virus:
The coronavirus responsible for porcine epidemic diarrhoea and a focus of herd immunity, biosecurity, diagnostic, and outbreak-control programs.
PFI Pet Food Institute:
A U.S. trade association representing dog- and cat-food manufacturers on nutrition, ingredient safety, labeling, regulation, and sustainability.
PIN Premises Identification Number:
A unique identifier assigned to a location where animals are kept, enabling traceability, disease surveillance, and emergency response.
POM-V Prescription Only Medicine – Veterinarian:
A United Kingdom category for veterinary medicines that require a veterinarian’s prescription and may be supplied only through authorized channels.
POM-VPS Prescription Only Medicine – Veterinarian, Pharmacist, Suitably Qualified Person:
A United Kingdom category for medicines that may be prescribed and supplied by any of the named registered professionals.
PPE Personal Protective Equipment:
Protective clothing and equipment used to reduce exposure to zoonotic agents, chemicals, animal injuries, and other workplace hazards.
PPR Peste des Petits Ruminants:
A highly contagious viral disease of sheep and goats targeted by international vaccination and eradication efforts because of its severe livelihood and trade impacts.
PPRV Peste des Petits Ruminants Virus:
The morbillivirus responsible for peste des petits ruminants and a target of vaccination, surveillance, and outbreak tracing.
PQA Plus Pork Quality Assurance Plus:
A U.S. swine-industry program promoting food safety, animal well-being, responsible medication use, biosecurity, and continuous improvement.
PRRS Porcine Reproductive and Respiratory Syndrome:
A major swine disease causing reproductive failure, respiratory illness, mortality, and substantial economic loss.
PRRSV Porcine Reproductive and Respiratory Syndrome Virus:
The highly variable arterivirus responsible for porcine reproductive and respiratory syndrome, complicating immunity, diagnostics, and vaccine performance.
PSMF Pharmacovigilance System Master File:
A controlled document describing a marketing authorization holder’s veterinary safety-surveillance organization, processes, systems, and compliance arrangements.
PSUR Periodic Safety Update Report:
A structured post-market report summarizing worldwide safety data, exposure, signals, and benefit-risk evaluation for a medicinal product.
PVS Performance of Veterinary Services:
A World Organisation for Animal Health pathway for evaluating and strengthening national veterinary-service capabilities, governance, legislation, and preparedness.
Q
qPCR Quantitative Polymerase Chain Reaction:
A real-time molecular method that detects and quantifies target nucleic acid, supporting rapid diagnosis, pathogen-load assessment, and surveillance.
QPPV Qualified Person Responsible for Pharmacovigilance:
The designated professional accountable for establishing and maintaining a compliant veterinary pharmacovigilance system in applicable jurisdictions.
R
R0 Basic Reproduction Number:
The expected number of secondary infections generated by one infectious case in a fully susceptible population, used to assess transmission and control requirements.
RABV Rabies Virus:
The lyssavirus responsible for rabies, a nearly invariably fatal zoonosis controlled through vaccination, surveillance, wildlife management, and post-exposure action.
RfD Reference Dose:
An estimate of daily human exposure to a substance that is unlikely to cause appreciable risk over a lifetime, used in residue and environmental assessments.
RFFIT Rapid Fluorescent Focus Inhibition Test:
A virus-neutralization assay used to measure rabies antibodies for immunity assessment, travel certification, and vaccine evaluation.
RPA Reference Point for Action:
A European control threshold used when testing food for residues of certain pharmacologically active substances for which no permitted limit exists.
RUMA Responsible Use of Medicines in Agriculture Alliance:
A United Kingdom alliance coordinating sector targets and guidance for responsible medicine use, particularly antibiotics, in farm animals.
S
SAE Serious Adverse Event:
An unfavorable event meeting seriousness criteria such as death, life-threatening illness, significant disability, congenital abnormality, or prolonged hospitalization.
SCC Somatic Cell Count:
The concentration of somatic cells in milk, widely used as an indicator of udder health, mastitis prevalence, milk quality, and herd performance.
SFS Secure Food Supply:
A set of U.S. continuity plans designed to support safe movement of non-infected animals and products during major disease outbreaks.
SPC Summary of Product Characteristics:
The regulator-approved European document defining a veterinary medicine’s indications, dosage, contraindications, warnings, withdrawal periods, and other prescribing information.
SPF Specific Pathogen Free:
A health status indicating that animals, eggs, or biological materials have been tested and found free from specified pathogens under controlled conditions.
SPS Sanitary and Phytosanitary Measures:
Government requirements protecting animal, plant, or human health that must follow international trade rules on scientific justification and nondiscrimination.
SRLV Small Ruminant Lentivirus:
A group of persistent viral infections causing chronic respiratory, neurological, mammary, or arthritic disease in sheep and goats.
STEC Shiga Toxin-Producing Escherichia coli:
Zoonotic bacteria carried by animals, especially cattle, that are monitored because they can contaminate food and cause severe human illness.
SUSAR Suspected Unexpected Serious Adverse Reaction:
A serious reaction considered related to an investigational product whose nature or severity is inconsistent with existing safety information and may require expedited reporting.
SVA Senecavirus A:
A swine virus that can cause vesicular lesions clinically resembling reportable diseases, making rapid differential diagnosis essential.
T
TAS Target Animal Safety:
The evaluation of a veterinary product’s safety in the intended species, life stage, dose range, and conditions of use before and after authorization.
TCID50 50% Tissue Culture Infectious Dose:
The quantity of virus expected to infect half of inoculated cell cultures, used to quantify viral infectivity and characterize vaccines.
TGE Transmissible Gastroenteritis:
A contagious coronavirus disease of pigs causing severe enteric illness and high mortality in young piglets.
TGEV Transmissible Gastroenteritis Virus:
The porcine coronavirus responsible for transmissible gastroenteritis and a target of herd surveillance, biosecurity, and differential diagnosis.
THI Temperature-Humidity Index:
A combined environmental measure used to estimate heat-stress risk and guide cooling, housing, welfare, and production management.
TRACES Trade Control and Expert System:
The European Commission platform for sanitary certification, notification, and traceability of animals, animal products, feed, and related consignments.
TSE Transmissible Spongiform Encephalopathy:
A group of fatal prion diseases affecting animals, including bovine spongiform encephalopathy and scrapie, that require specialized surveillance and control.
U
UK-VARSS United Kingdom Veterinary Antibiotic Resistance and Sales Surveillance:
The United Kingdom’s annual reporting program for veterinary antibiotic sales, animal-pathogen resistance, and stewardship trends.
UPD Union Product Database:
The European Union database containing regulatory information on authorized veterinary medicinal products and supporting product lifecycle management.
UPVD Union Pharmacovigilance Database:
The European Union system for recording and managing suspected adverse events and veterinary pharmacovigilance information.
USDA United States Department of Agriculture:
The federal department responsible for major animal-health functions, including disease control, veterinary biologics, livestock programs, food inspection, and trade certification.
V
VCPR Veterinarian-Client-Patient Relationship:
The legally recognized professional relationship required for many prescribing, extra-label use, telemedicine, and treatment decisions.
VDD Veterinary Drugs Directorate:
The Health Canada directorate responsible for evaluating and monitoring veterinary drugs and establishing food-animal residue standards.
VeDDRA Veterinary Dictionary for Drug Regulatory Activities:
A standardized terminology for coding clinical signs and adverse events in veterinary pharmacovigilance reports.
VFD Veterinary Feed Directive:
A U.S. order issued by a licensed veterinarian authorizing use of specified medically important antimicrobials in animal feed under approved conditions.
VICH International Cooperation on Harmonisation of Technical Requirements for Registration of Veterinary Medicinal Products:
A global program that develops harmonized guidelines for veterinary product quality, safety, efficacy, and pharmacovigilance submissions.
VMD Veterinary Medicines Directorate:
The United Kingdom authority responsible for veterinary medicine authorization, pharmacovigilance, inspections, residues, antimicrobial surveillance, and regulatory enforcement.
VMP Veterinary Medicinal Product:
The regulatory term for a medicine intended to treat, prevent, diagnose, or modify physiological functions in animals.
VN Virus Neutralization:
A laboratory method measuring whether antibodies prevent viral infection of cells, used in diagnosis, vaccine assessment, and immunity testing.
W
WAAVP World Association for the Advancement of Veterinary Parasitology:
An international scientific organization whose guidance is widely used in parasite research, diagnosis, treatment, and veterinary anthelmintic efficacy studies.
WAHIS World Animal Health Information System:
The global platform through which countries report listed animal diseases, outbreaks, epidemiological information, and national animal-health status.
WDT Withdrawal Time:
The required interval between the final administration of a veterinary medicine and production of food such as meat, milk, or eggs for human consumption.
WGS Whole-Genome Sequencing:
Determination of an organism’s complete genetic sequence, used for pathogen identification, outbreak tracing, resistance surveillance, and epidemiology.
WHO World Health Organization:
The United Nations health agency that works with animal-health partners on zoonoses, food safety, rabies, influenza, and antimicrobial resistance.
WHP Withholding Period:
The mandatory time after treatment during which an animal or its products cannot enter the human food chain, a term widely used in Australia and other markets.
WOAH World Organisation for Animal Health:
The intergovernmental organization that sets international animal-health, welfare, surveillance, diagnostic, and trade standards and coordinates disease reporting.
WSAVA World Small Animal Veterinary Association:
A global association that publishes influential companion-animal guidance on vaccination, nutrition, welfare, diagnostics, and clinical care.
WSSV White Spot Syndrome Virus:
A highly contagious viral pathogen of shrimp and other crustaceans that can cause rapid, severe losses in aquaculture.
WTO World Trade Organization:
The international organization administering trade rules, including sanitary-measure disciplines that affect movement of animals, animal products, and veterinary commodities.