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首页> 外文期刊>Anais da Academia Brasileira de Ciencias >Chemical composition and nutrient degradability in elephant grass silage inoculated with Streptococcus bovisisolated from the rumen
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Chemical composition and nutrient degradability in elephant grass silage inoculated with Streptococcus bovisisolated from the rumen

机译：从瘤胃中分离牛链球菌接种的象草青贮饲料中的化学成分和养分降解性

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摘要

The objective of the present study was to assess the chemical and bromatological composition and in situ degradability of elephant grass silages inoculated with Streptococcus bovisisolated from cattle rumen. A complete randomized design was used with four treatments and six replications: elephant grass silage, elephant grass silage inoculated with 106 CFU/g Streptococcus bovisJB1 strains; elephant grass silage inoculated with 106 CFU/gStreptococcus bovis HC5 strains; elephant grass silage inoculated with 106 CFU/g Enterococcus faeciumwith six replications each. The pH and ammoniacal nitrogen values were lower (P0.05) for the silages inoculated with Streptococcus bovis JB1 and HC5, respectively. The silage inoculated withStreptococcus bovis had a higher crude protein content (P0.05) and there were no differences for the fiber contents in the silage. The (a)soluble fraction degradability, especially in the silages inoculated with Streptococcus bovis JB1 and HC5, had higher values, 30.77 and 29.97%, for dry matter and 31.01 and 36.66% for crude protein, respectively. Inoculation with Streptococcus bovis improved the fermentation profile, protein value and rumen degradability of the nutrients.
机译：本研究的目的是评估用牛瘤胃分离的牛链球菌接种的象草青贮饲料的化学和微生物学组成以及原位降解性。完整的随机设计用于4种治疗和6种重复：象草青贮饲料，接种106 CFU / g牛链球菌JB1菌株的象草青贮饲料;接种106 CFU / g牛链球菌HC5菌株的象草青贮饲料;用106 CFU / g粪肠球菌接种大象青贮饲料，每个重复六次。分别用牛链球菌JB1和HC5接种的青贮饲料的pH值和氨氮值较低（P <0.05）。牛链球菌接种的青贮饲料中粗蛋白含量较高（P <0.05），青贮饲料中的纤维含量没有差异。 （a）可溶性级分的降解性，特别是在牛链球菌JB1和HC5接种的青贮饲料中，具有较高的值，干物质分别为30.77和29.97％，粗蛋白分别为31.01和36.66％。牛链球菌的接种可改善营养物质的发酵特性，蛋白质值和瘤胃降解性。

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