From feed to milk : understanding rumen functionの表紙画像

From feed to milk : understanding rumen function

Pennsylvania State University, John Dickison, A. J. Heinrichs, Gabriella Varga, Virginia Ishler, Pennsylvania State University College of Agricultural Sciences
DVD explains the ruminant's unique digestive system and shows how feeding management and nutrition can influence its function while suggesting the practical applications in feeding management that can help the dairy producer achieve high levels of milk production
DVDビデオ, English, [2007?]
Penn State College of Agricultural Sciences, University Park, Pa., [2007?]