Subject
- Beef cattle -- Feeding and feeds2
- Beef cattle -- Nutrition2
- Beef cattle -- Oregon2
- Beef cattle1
- Beef cattle -- Feeding and feeds -- Economic aspects1
- Calves -- Feed utilization efficiency1
- Calves -- Feeding and feeds1
- Grazing -- Oregon1
- Proteins in animal nutrition1
- Selenium in animal nutrition1
- Soy proteins1
- Soybean as feed1
- Soybean meal as feed1