00506nam a2200193Ia 4500001000600000003000500006008004100011010001100052040000900063082001600072100001800088245004100106260004700147300001100194440002900205503001100234650004300245650002400288Z_132CHAP220113s1988 xx 000 0 und d a163103 cCHAP a636.085 O78 aOrskov, E. R. aFeed science /cby E. K. Orskov ed. aAmsterdam, Netherlands :bELSEVIER,c1988 a336 p. aWorld animal science; B4 a143603 aAlimentos y alimentacioĢn del ganado  0aNutricioĢn animal