| Abbreviation | Definition |
|---|---|
| AEB | American Egg Board |
| AEBC | Agriculture and Environment Biotechnology Committee (UK government) |
| AED | Animal Euthanasia Device |
| AEMV | Association of Exotic Mammal Veterinarians |
| AES | Anglo European Studbook |
| AETC | Animal Emergency Treatment Center |
| AETS | Australian Embryo Transfer Society |
| AEVA | Australian Equine Veterinary Association |
| AEVL | Agricultural Economics Virtual Library (Texas Tech University) |
| AFA | American Ferret Association |
| AFB | American Farm Bureau Federation |
| AFDO | Association of Food and Drug Officials (USA) |
| AFEW | African Fund for Endangered Wildlife |
| AFH | American Federation of Herpetoculturists |
| AFI | Aboriginal Flounder Influenza |
| AFIA | American Feed Industry Association |
| AFIP | Animal Facility Inspection Program |
| AFIP | Armed Forces Institute of Pathology (USA - Department of Veterinary Pathology) |
| AFRMA | American Fancy Rat and Mouse Association |
| AFS | American Fisheries Society |