TY - BOOK AU - Van Soest,Peter J. TI - Nutritional ecology of the ruminant SN - 080142772X (hbk.) PY - 1994/// CY - Ithaca [New York] PB - Comstock Pub. Associates KW - Ruminations KW - Feeding and feeds KW - Animal nutrition KW - Rumen fermentation KW - Feeds ER -