期刊论文

Effectsof dietary phosphorus levels on growth performance,serum biochemical indicesand rumen microbiota of Xianan cattle

中文

湖南农业大学学报（自然科学版）

Journal of Hunan Agricultural University(Natural Sciences)

1007-1032

2024

50

4

70-75

10.13331/j.cnki.jhau.2024.04.010

32172758:国家自然科学基金 2022YFD1301101-1:国家重点研发计划 CARS-37:国家肉牛牦牛产业技术体系项目 2021RC4060:湖南省科技厅项目 2019JJ50279:湖南省自然科学基金项目 2021JJ30011:湖南省自然科学基金项目

本校为第一机构

选取36头遗传背景相似的13~15月龄、体质量为(332.8±49.9)kg的夏南牛,随机分成4组,每组3个重复,每个重复3头牛,分别饲喂磷质量分数为0.15%、0.18%、0.20%、0.23%的日粮,预试期...展开更多 选取36头遗传背景相似的13~15月龄、体质量为(332.8±49.9)kg的夏南牛,随机分成4组,每组3个重复,每个重复3头牛,分别饲喂磷质量分数为0.15%、0.18%、0.20%、0.23%的日粮,预试期15d,试验期60d,测定夏南牛生长性能和血清生化指标,分析日粮磷水平对瘤胃微生物区系的影响。结果表明:日粮磷质量分数0.15%组夏南牛日干物质采食量极显著低于其他各组的;0.18%和0.20%组牛平均日增重显著高于0.15%组的;磷质量分数为0....

A total of 36 Xianan cattle aged13-15 months and weighed(332.8±49.9)kg with similar genetic background were selected and randomly divided into 4 groups with 3 replicates in each group.Cattlesin 4 groups were fed diets withphosphorus mass fractions of 0.15%,0.18%,0....MORE A total of 36 Xianan cattle aged13-15 months and weighed(332.8±49.9)kg with similar genetic background were selected and randomly divided into 4 groups with 3 replicates in each group.Cattlesin 4 groups were fed diets withphosphorus mass fractions of 0.15%,0.18%,0.20%and 0.2...