CAJ | 학술논문

本试验旨在研究苜蓿、沙打旺、高丹草、狼尾草和黑麦草间的组合效应. 引入组合效应综合指数( MFAEI)以及饲养试验,以苜蓿、沙打旺2种豆科牧草和高丹草、狼尾草、黑麦草3种禾本科牧草为原料采用体外发酵的研究方法,对pH、产气量、微生物蛋白、挥发性脂肪酸、有机物体外降解率等指标进行3次重复测定,利用MFAEI对饲草进行优化组合和筛选. 通过试验对比分析看出,将粗饲料进行合理搭配后,通过营养素间的互补,可显著提高粗饲料的整体发酵水平. 结果表明:6种饲草配方的MFAEI从高到低依次为:B组>A组>C组>D组>F组>E组.依据MFAEI原理,从 6 种饲草组合筛选出 2 个最优组合:A 组为苜蓿:沙打旺:狼尾草=40:40:20,MFAEI为1.13;B组为苜蓿:沙打旺:高丹草=40:40:20,MFAEI为1.21.
본시험지재연구목숙、사타왕、고단초、랑미초화흑맥초간적조합효응. 인입조합효응종합지수( MFAEI)이급사양시험,이목숙、사타왕2충두과목초화고단초、랑미초、흑맥초3충화본과목초위원료채용체외발효적연구방법,대pH、산기량、미생물단백、휘발성지방산、유궤물체외강해솔등지표진행3차중복측정,이용MFAEI대사초진행우화조합화사선. 통과시험대비분석간출,장조사료진행합리탑배후,통과영양소간적호보,가현저제고조사료적정체발효수평. 결과표명:6충사초배방적MFAEI종고도저의차위:B조>A조>C조>D조>F조>E조.의거MFAEI원리,종 6 충사초조합사선출 2 개최우조합:A 조위목숙:사타왕:랑미초=40:40:20,MFAEI위1.13;B조위목숙:사타왕:고단초=40:40:20,MFAEI위1.21.
This paper aimed to study the associative effects of Alfalfa, Astragalus adsurgens, Gaodan grass, Chinese pennisetum and ryegrass. Introduced the combination of multiple-factors associative effects index ( MFAEI) and feeding experiment, using two kinds of legume forage with alfalfa, Astragalus adsurgens and three kinds of grasses with Sudan grass, Chinese pennisetum and ryegrass as raw materials by the method of in vitro fermentation, tested the pH, gas production, microbial protein, volatile fatty acid, in vitro digestibility organic matter indexes determination of 3 repetitions, by the means of the MFAEI to design selection and the optimized combination. Through the test contrast analysis, with reasonable collocation of the roughage and the complementary between nutrients, the level of whole fermentation could significantly improve. The results showed that the MFAEI of six kinds of forage from high to low in turn was:group B>group C>group A>group D>group F>group E. According to the theory of MFAEI, two optimal combination from six kinds of forage combination is: group A, alfalfa:Astragalus adsurgens:Chinese pennisetum=40:40:20, the MFAEI is 1.13;group B, alfalfa:Astragalus adsurgens:Sudan grass=40:40:20, the MFAEI is 1.21.