咖啡因和维生素E对鸡精液冷冻效果影响的研究

王世银;张伟;许芸;张兆旺

The Study on the Affection of the Caffeine and Vitamin E in Chicken Semen Freezing

WANG Shi-yin;ZHANG Wei;XU Yun;ZHANG Zhao-wang

China Animal Husbandry & Veterinary Medicine . 2011, (3): 143 -145 .