摘要
试验通过研究不同酸度的乳酸菌添加剂对6月龄梅花鹿的采食量、氮平衡、消化率以及小肠微生物氮流量的影响,确定乳酸菌添加剂在梅花鹿饲喂中的适宜酸度。结果表明:添加不同酸度的乳酸菌可明显提高梅花鹿对DM、OM、CF、CP以及氮采食量(P<0.05),其中以未调酸的乳酸菌组各种营养成分采食量最高;DM、OM、CF采食量,各组间差异显著(P<0.05),氮的采食量,除调酸组与未调酸组间差异不显著外(P>0.05),其余各组间差异显著(P<0.05)。不同酸度的乳酸菌饲料添加剂可提高梅花鹿DOM、DCF、氮沉积以及小肠微生物氮流量,未调酸组的DOM、DCF、氮沉积以及小肠微生物氮流量显著高于对照组(P<0.05)。
Effect of different acidness lactic acid bacteria on feed intake, N balance,digestibility and microbial nitrogen flow in the small intestine of 6 month-old sika were investigated in the study, in order to determine the suitable pH value of lactic acid bacteria additives in ruminant animals. The results indicated that: Adding different acidity of lactic acid bacteria could significantly improve the sika intake of DM, OM, CF, CP, and nitrogen intake (P〈0.05), and nutrient intake of pH=5.6 LAB groups were the highest in all the groups; but N intake, apart from insignificant between the pH=5.6 LAB group and pH= 3.72 LAB group (P〉0.05), differences among other groups were significant (P〈0.05). Adding different acidity of lactic acid bacteria could improve the sika intake of DOM, DCF, N balance, and microbial N of intestinal flow (P〈0.05), and pH=5.6 LAB group sikas were significantly higher than the control group on the DOM, DCF, N balance, and microbial N of intestinal flow.
出处
《饲料工业》
北大核心
2012年第17期48-52,共5页
Feed Industry
关键词
梅花鹿
乳酸菌饲料添加剂
小肠微生物氮流量
消化率
sika
lactic acid bacteria additive
the nitrogen flow in intestinal microbes
digestibility