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Effects of Supplemental Chromium Nicotinate on Concentrate Feed of Rumen Degradation in Simmental Steer
Author(s): WANG Jun-fang, LIU Qiang, YANG Xiao-min
Pages: 8-
10
Year: 2011
Issue:
2
Journal: China Dairy Cattle
Keyword: 烟酸铬; 西门塔尔牛; 精料; 瘤胃有效降解率;
Abstract: 试验选用4头平均体重500±20kg,年龄4岁,装有永久性瘤胃瘘管的西门塔尔牛阉牛,采用4×4拉丁方试验设计,以混合精料和风干玉米秸秆为基础日粮,研究1.3倍维持水平下,日粮添加烟酸铬(Omg/d、40mg/d、80mg/d、120mg/d)对精料瘤胃降解率的影响.结果表明:日粮添加烟酸铬组DM有效降解率与对照组差异不显著(P>0.05),添加80mg/d烟酸铬组精料OM有效降解率、CP瘤胃有效降...
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