饲粮添加酿酒酵母和地衣芽孢杆菌对绵羊生长性能与瘤胃发酵的影响

郑玮才,郝小燕,张宏祥,项斌伟,张文佳,张春香,张建新

Effects of Saccharomyces Cerevisiae and Bacillus Licheniformis on Growth Performance and Rumen Fermentation in Sheep

ZHENG WeiCai,HAO XiaoYan,ZHANG HongXiang,XIANG BinWei,ZHANG WenJia,ZHANG ChunXiang,ZHANG JianXin

表4 饲粮中添加酿酒酵母和地衣芽孢杆菌对绵羊瘤胃发酵的影响

Table 4 Effects of Saccharomyces cerevisiae and Bacillus licheniformis in diets on rumen fermentation of sheep

项目 Items 组别Groups SEM P值 P value D D1 D2 D3 pH 6.76 6.58 6.52 6.74 0.14 0.11 氨态氮NH3-N (mg·dL -1) 25.09a 22.94ab 23.02ab 19.87b 1.60 0.03 总挥发性脂肪酸TVFA (mmol·L -1) 48.03b 51.81ab 54.37a 54.86a 2.22 0.02 乙酸Acetate (mmol·L -1) 35.25c 38.01b 39.69a 40.09a 0.58 <0.001 丙酸Propionate (mmol·L -1) 11.44b 12.07ab 12.99a 13.39a 0.51 0.004 丁酸Butyrate (mmol·L -1) 6.67 6.94 6.78 6.92 0.66 0.97 乙丙比Acetate/Propionate 3.08 3.15 3.07 3.01 0.13 0.69