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首页> 外文会议>The 5th China-Japan-Korea Grassland Conference: Knowledge Innovation of Grassland Science and Sustainalbe Development of Grassland Agriculture >Effect of the level of pelleted silvergrass (Miscanthus sinensis Anderss.) in the diet on chewing time, rumen fermentation and blood metabolites in breeding Japanese Black cows
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Effect of the level of pelleted silvergrass (Miscanthus sinensis Anderss.) in the diet on chewing time, rumen fermentation and blood metabolites in breeding Japanese Black cows

机译：日粮中的银草颗粒含量对日本黑牛育种的咀嚼时间，瘤胃发酵和血液代谢产物的影响

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摘要

Feeding trials were conducted in 4 × 4 Latin square design to examine the effect of level of pelleted silvergrass feed (PSF) in the diets on chewing time, rumen fermentation and nutritional status in breeding Japanese Black cows.The dietary treatments were 1) 89.4％ (on a dry matter basis) Sudangrass hay (SH) diet, 2) 71.5％ SH and 17.9％ PSF diet, 3) 62.5％ SH and 26.9％ PSF diet and 4) 44.7％ SH and 44.8％ PSF diet.Dry matter (DM) intake was not significantly different among the treatments.The chewing time (min kgDM intake-1) was decreased by increasing the PSF level in the diets.But the PSF level did not change the rumen fermentation and serum metabolites compositions.These results suggest that including PSF at 45％ (on a DM basis) in the diets do not have adverse effects on the rumen fermentation and nutritional status in breeding Japanese Black cows at maintenance stage.
机译：在4×4拉丁方形设计中进行了饲喂试验，以检验日粮中银草颗粒饲料（PSF）的水平对日本黑牛繁殖期咀嚼时间，瘤胃发酵和营养状况的影响。饮食处理为1）89.4％ （以干物质为基础）苏丹草干草（SH）饮食，2）71.5％SH和17.9％PSF饮食，3）62.5％SH和26.9％PSF饮食，以及4）44.7％SH和44.8％PSF饮食。两种方法之间的DM摄入量没有显着差异。通过增加日粮中的PSF水平可以减少咀嚼时间（最小kgDM摄入量-1），但PSF水平并没有改变瘤胃发酵和血清代谢产物的组成。日粮中添加45％（以DM为基础）的PSF对日本黑牛在维持阶段的瘤胃发酵和营养状况没有不利影响。

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