4ARSCOTT G H J, PARKER E. Dietary protein and fertility of male chickens[J]. The Journal of Nutrition, 1963(80):311-314. 被引量：1
5WILSON J L, MCDANIEL G R, SUTTON C D, et al. Semen and carcass evaluation of broiler breeder males fed low protein diets[J]. Poultry Science, 1987, 66(9):1535-1540. 被引量：1
7Tauson R,Wahlstrom A,Abrahamsson P.Effect of two floor housing systems and cages on health,production,and fear response in layers. Journal of Applied Poultry Research . 1999 被引量：1
9Juliet R R.Factors affecting egg internal quality and egg shell quality in laying hens. The Journal of Poultry Science . 2004 被引量：1
10LichovníkováM,Zeman L.Effect of housing system on the calcium requirement of laying hens and on eggshell quality.Czech J. Animal Science . 2008 被引量：1
