Self-feeding versus hand-feeding sows and litters
- Source:
- Farmers' bulletin (United States. Department of Agriculture) ; no. 1504 1926
- Year:
- 1926
- Subject:
- Swine -- Feeding and feeds
- Format:
- 6 p. : ill. ; 23 cm.
- Publisher:
- U.S. Dept. of Agriculture
- Collection:
- Organic Roots Collection