The objective of this study was to investigate the effects of total dietary fiber level on nutrient digestibility and the relationship between apparent total tr
Background:Phosphorus(P) supplementation is costly and can result in excess P excretion.This study investigated the effects of reducing dietary P on milk produc
In December of 3 years, 87 beef cows with nursing calves (594 ± 9.8 kg; calving season, September to November) at side were stratified by body condition sc
Health is maintained by a state of dynamic homeostasis in which nutrient intake and expenditure are of good balance.Therefore,it is important to know exactly th
The structure and characters of collagen were intro-duced in detail in this paper. The application and theresearch progress of collagen in papermaking werealso
<正>Journal of Animal Science and Biotechnology(JASB)is sponsored by Chinese Association of Animal Science and Veterinary Medicine.JASB is a new quarterly journ