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Subject
- Veterinary medicine35
- Animal diseases30
- Cattle21
- Veterinary public health18
- Horses14
- United States. Department of Agriculture. Bureau of Animal Industry14
- Foreign trade13
- Communicable diseases12
- Exports12
- Imports10
- Agricultural research9
- Animal quarantine9
- Livestock9
- Meat industry and trade9
- Agricultural production8
- Parasites8
- Poultry8
- Swine8
- Babesiosis7
- Federal receipts and expenditures7