荷斯坦牛及其杂种公牛养分表观消化率、小肠组织形态及消化酶活性差异研究

兰丽娟, 石斌刚, 祁有鹏, 左志, 张雪萍, 王向彦, 时钰, 张伟, 赵芳芳, 马金, 胡江

Differences on Nutrient Apparent Digestibility, Small Intestine Tissue Morphology and Digestive Enzyme Activity of Holstein Bulls and Its Hybrid Progenies

LAN Lijuan, SHI Bingang, QI Youpeng, ZUO Zhi, ZHANG Xueping, WANG Xiangyan, SHI Yu, ZHANG Wei, ZHAO Fangfang, MA Jin, HU Jiang