Williams, Alexander Watson Factors Conducive to Increased Yields of Milk and Butterfat in Privately Owned Holstein Herds in Pennsylvania
![Williams, Alexander Watson Factors Conducive to Increased Yields of Milk and Butterfat in Privately Owned Holstein Herds in Pennsylvania](/image/97/81/01/37/32/11/9/9781013732119.webp)
Factors Conducive to Increased Yields of Milk and Butterfat in Privately Owned Holstein Herds in Pennsylvania
Factors Conducive to Increased Yields of Milk and Butterfat in Privately Owned Holstein Herds in Pennsylvania