Ration digestion and retention times of digesta in domestic cattle (Bos taurus), American bison (Bison bison), and Tibetan yak (Bos grunniens).
D000821:Animal Feed; D000818:Animals; D001188:Artiodactyla / Q000378:metabolism*; D002417:Cattle / Q000378:metabolism*; D004063:Digestion; D005260:Female; D013997:Time Factors