I. Parasitic Diseases

A. Trematodes

1. Deer liver fluke
2. Verminous hemorrhagic ulcerative enteritis (VHUE)

B. Cestodes

1. Cysticercosis
2. Taenia hydatigena
3. Echinococcosis (Cystic Hydatid Disease)

C. Nematodes

1. Brainworm
2. Heartworm
3. Bear filarial worm
4. Proventricular or stomach worm
5. North American guinea worm
6. Roundworms
7. Baylisascaris or raccoon roundworm

D. Protozoa

1. Blackhead
2. Sarcocystis
3. Leucocytozoonosis
4. Trichomoniasis

E. Arthropods

1. Mange
2. Deer nose bots
3. Warbles

II. Bacterial, Viral, and Mycotic Diseases

A. Bacteria

1. Brucellosis
2. Tularemia
3. Salmonellosis
4. Fowl cholera
5. Tyzzer's disease
6. Abscesses
7. Lyme disease
8. Leptospirosis
9. Mycoplasmosis
10. Bovine Tuberculosis

B. Viruses

1. Rabies
2. Epizootic hemorrhagic disease (EHD)
3. Duck virus enteritis (DVE)
4. Canine and feline distemper
5. West Nile Virus (WNV)

C. Mycotic

1. Aspergillosis

III. Tumors

A. Fibromas and Papillomas

1. Rabbit fibromatosis
2. Squirrel pox
3. Deer fibroma
4. Avian Pox

IV. Toxins, Poisons, and Pollutants

A. Heavy metals

1. Lead poisoning
2. Mercury

B. Biological Toxins

1. Botulism

C. Pesticides and Herbicides

1. DDT and other chlorinated hydrocarbons
2. Organophosphate toxicity

D. Others

1. Strychnine poisoning
2. Oil intoxication
3. Zinc phosphide

V. Physiological Diseases

A. Nutrition

1. Malnutrition and starvation
2. Corn Toxicity

B. Cysts

1. Hydrocyst