The Relation of External Body Dimensions to Type, and the Correlation of Body Parts with Butter Fat Production in Holstein-Friesian Cattle

Auteur : Byron Ernest Pontius, Jack C. Plano, John Mack Prescott, Justin Lawrence Powers, Raymond Arthur Plath, Robert Lamburn Purbrick

Date de publication : 1939

Éditeur : University of Wisconsin--Madison

Nombre de pages : 284