不同添加剂对籽粒苋与油菜秸秆混合青贮品质的影响  

Effect of different additives on fermentation quality of silage with different rations of Amaranthus hypochondriacus and rape straw

作　　者：陈东[1] 李顺 曾宁波[2] 穆麟[2] 张志飞[2] 叶志刚 CHEN Dong;LI Shun;ZENG Ningbo;MU Lin;ZHANG Zhifei;YE Zhigang(College of Animal Science and Technology,Hunan Agricultural University,Changsha,Hunan 410128,China;College of Agriculture,Hunan Agricultural University,Changsha,Hunan 410128,China;Hunan Zhongxian Ecological Science and Technology Co.Ltd,Changsha,Hunan 410016,China)

机构地区：[1]湖南农业大学动物科学技术学院,湖南长沙410128 [2]湖南农业大学农学院,湖南长沙410128 [3]湖南中苋生态科技有限公司,湖南长沙410016

出　　处：《湖南农业大学学报（自然科学版）》2020年第1期113-118,共6页Journal of Hunan Agricultural University(Natural Sciences)

基　　金：国家重点研发计划(2017YFD0502104);湖南省科技重大专项(2017NK1020);湖南省草食动物产业技术体系

摘　　要：在72%籽粒苋与28%油菜秸秆的混合青贮中分别添加糖蜜、乳酸菌、纤维素复合酶、糖蜜+乳酸菌、糖蜜+纤维素复合酶、乳酸菌+纤维素复合酶、糖蜜+乳酸菌+纤维素复合酶和水,青贮30d后开包取样,并分析各项指标。结果表明:籽粒苋与油菜秸秆混合青贮时,与对照组和非添加糖蜜组相比,单独或组合添加糖蜜均能显著降低籽粒苋与油菜秸秆混合青贮的pH值、乙酸含量、洗涤纤维含量,并能显著提高其V-Score评分、粗蛋白含量、可溶性碳水化合物含量及相对饲用价值。籽粒苋与油菜秸秆混合青贮中单独添加糖蜜即可保证青贮品质效果。72%whole amaranth and 28%rape straw were mixed serving as raw materials with eight treatments including molasses group,lactic acid bacteria group,cellulose complex enzyme,molasses with lactic acid bacteria group,molasses with ellulose complex enzyme group,lactic acid bacteria with cellulose complex enzyme,molasses with lactic acid bacteria with cellulose complex enzyme group and only water as a blank control group.The sample were subject to fermentation for 30 d and then to analysis.The results showed as follows:compared with control group and without molasses groups,the PH,acetic acid content,washing fiber content in molasses groups significantly decreased(P<0.05),and V-Score,crude protein content,water-soluble carbohydrate content and relative feed value in molasses groups also significantly increased in the mixed silage of amaranth and rape straw(P<0.05).Mixed silage quality of amaranth and rape straw could be significantly improved by adding molasses.

关 键 词：籽粒苋 油菜秸秆 混合青贮 糖蜜 乳酸菌 纤维素复合酶 青贮饲料品质 

分 类 号：S816.53[农业科学—饲料科学]