5Defoor P J,Galyean M L,Salyer G B,et al.Effects of roughage source and concentration on intake and performance by finishing heifers[J].Journal of Animal Science,2002,80(6):1395-1404.
6Theurer C B,Swingle R S,Wanderly R C,et al.Sorghum grain flake density and source of feedlot cattle diets[J].Journal of Animal Science,1999,77:1066-1073.
7SAIMAITI Jiang(赛买提江).Study on the change of free gossypol of cottonseed hull in the digestive tract and its metabolism of sheep (新疆棉籽壳中游离棉酚在绵羊消化道中的变化及其体内代谢的研究)[D].Urumqi:Xinjiang Agricultural University,2007.
8Sharma M P,Smith F H,Clawson A J.Effects of levels of protein and gossypol,and length of feeding period on the accumulation of gossypol in tissues of swine[J].Journal of Nutrition,1966,88:434.
9Lee D J,Roehm J N,Yu T C,et al.Accumulation and elimination of dietary gossypol in the organs of rain bow trout[J].Animal Nutrition,1967:425-429.
10Rogers P A,Henaghen T P,Wheeler B.Gossypol poisoning in young calves[J].Irish Veterinary Journal,1975,29:9.