Zobrazeno 1 - 4
of 4
pro vyhledávání: '"V B Woods"'
Publikováno v:
Animal Science. 81:179-184
It is well established that the genetic merit of the Holstein-Friesian dairy cow for milk production has increased over the past 20 years. Previous studies have examined the effect of feeding system on indices of body tissue reserves of medium geneti
Publikováno v:
Advances in Animal Biosciences. 1:49
Publikováno v:
Advances in Animal Biosciences. 1:74
Publikováno v:
Proceedings of the British Society of Animal Science. 2001:196-196
Empirical models relate nutrient inputs and outputs statistically, without considering the intervening metabolism of the animal (France and Thornley, 1984). Current rationing systems (e.g. ARC, 1980; Jarrige, 1988) are based on empirical models of en