Records of dairy cows: their value and importance in economic milk production
- Source:
- Circular (United States. Bureau of Animal Industry) ; no. 103 1907
- Year:
- 1907
- Subject:
- Cows, Milk yield, and Dairying
- Format:
- 38 pages : illustrations, tables ; 24 cm.
- Publisher:
- U.S. Dept. of Agriculture, Bureau of Animal Industry
- Collection:
- Organic Roots Collection