3Adamstone F B et al. The effects of vitamin E deficiency on the tests of the male fowl (Gallus domesticus) . J. Morphol physial, 1934(56) :339.
4Paredes 和 Garcia Transitory physiological fibrinogenopenia of childbirth Bol Soc Chil Obstet Ginecol.1959 Oct;24: 306-18.
5Wilson JL, McDaniel GR, Sutton CD, Renden JA. Semen and carcass evaluation of broiler breeder males fed low protein diets. Poult Sci. 1987 Sep;66(9):1535- 40.
6Hocking PM, Duff SR. Musculo-skeletal lesions in adult male broiler breeder fowls and their relationships with body weight and fertility at 60 weeks of age. Br Poult Sci. 1989 Dec,30(4):777-84.
7McDaniel GR, Roland DA, Liu P. Body weight and semen production of broiler breeder males as influenced by crude protein levels and feeding regimens during rearing. Poult Sci. 1999, Feb; 78 (2) :190-196.
8候宗良,马学云等.种用公鸡繁殖期最佳营养水平研究.1999,3:35-36.
9Arscott G H J, Parker E. Dietary protein and fertility of male chickens J. Nutr 1963(80): 311-314.
10ADAMSTONE F B,CARD L E. The effects of vitamin E deficiency on the tests of the male fowl ( Callus domesticus ) [ J ]. J Morphol Physial, 1934 (56) :339.
