中国畜牧杂志2017，Vol.53Issue(8)：58-64,7.DOI:10.19556/j.0258-7033.2017-08-058
体外产气法评定辣木枝与玉米/豆粕优化组合效果
Evaluation of Associative Effects of Moringa Branch, Corn and Soybean Meal Using an in vitro Gas Production Technique
摘要
Abstract
The effect of mixture of moringa branch/Leymus chinensis,corn and soybean meal on rumen fermentation and the associative effects was studied in this experiment.The mixtures were incubated in vitro using the reading pressure technique (RPT) system to evaluate the rumen fermentation parameters and the associative effects.In Expl,moringa branch or Leymus chinensis was mixed with corn at a proportion of 0,15,30 and soybean meal at a proportion of 0,10,20.The results showed that the organic acid and microbial protein(MCP) were increased,but the ration of acetate and propionate were decreased with the rise of the ratio of corn and soybean meal.The value of 48 hgas production(GP),gas production rate(a+b),MCP,total volatile fatty acid (TVFA),acetate,propionate,and the ration of acetate and propionate in the moringa branch group were significantly lower those in the Leymus chinensis group(P＜0.01),while pH was higher (P＜0.01).The associative effects (AEs) in two groups were both the best when the ratio of moringa branch or leymus chinensis,corn and soybean meal was 75∶15∶10.However the AEs in the Leymus chinensis group was much higher than that in moringa branch group (P＜0.05).In Exp2,moringa branch and Leymus chinensis were mixed with corn and soybean meal in the proportion of 75∶0∶7∶18,62.5∶12.5∶8∶17,50∶25∶9∶16,37.5∶37.5∶10∶15,25∶50∶12∶13,12.5∶62.5∶13∶12 and 0∶75∶14∶11.The 48 h GP,NH3-N and organic acids were decreased as the ratio of the moringa branch went up.The MCP in 37.5∶37.5∶10∶15 mixture group was remarkably higher than any other groups (P＜0.01),and the AEs showed the best positive associative effect.In summary,the moringa branch has a potential to be a new source of the roughages.关键词
辣木枝/羊草/体外产气法/组合效应Key words
Moringa branch/Leymus chinensis/In vitro gas production technique/Associative effects分类
农业科技引用本文复制引用
曹凯,汤志宏,王雁坡,张勇,杨怡,朱宁宁,赵成..体外产气法评定辣木枝与玉米/豆粕优化组合效果[J].中国畜牧杂志,2017,53(8):58-64,7.基金项目
辣木枝、叶用于家畜饲料的应用技术研发(15-518004-005) （15-518004-005）
