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Topic
- Livestock 88
- Agriculture 65
- Oregon State University. Extension Service 25
- Cattle 12
- Cows 11
- Sheep 10
- 4-H clubs 8
- Chickens 8
- Economics 8
- Irrigation 8
- Bureaucracy 7
- Demography 7
- Precipitation (Meteorology) 6
- Agriculture--Economic aspects 5
- Universities and colleges--Faculty 4
- Water quality 4
- Animal housing 3
- Arid regions 3
- Contests 3
- Deserts 3
