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Effect of water hyacinth (Eichhornia crassipes) hay inclusion in the diets of sheep

机译：水葫芦（Eichhornia crassipes）干草对绵羊日粮的影响

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The aim of this study was to evaluate the effects of replacing Tifton-85 hay (0, 20, 40, 60 and 80 % on a dry matter basis) with water hyacinth hay (Eichhornia crassipes) on intake and digestibility of nutrients, feeding behaviour, rumen and blood parameters of sheep. Five uncastrated male sheep, cannulated in the rumen, with an average body weight of 40 kg were assigned in a 5 x 5 Latin square design. The water hyacinth hay contained 870 g/kg dry matter (DM), 159 g/kg crude protein (CP), 547 g/kg neutral detergent fibre (NDF) and 461 g/kg total digestible nutrients (TDN). The DM intake and digestibility of NDF and non-fibre carbohydrates (NFC) were linearly reduced by replacing the Tifton-85 hay with water hyacinth hay. Similarly, there was a linear reduction of rumination time and efficiencies of feeding and rumination of DM and NDF. The concentrations of urea, glucose, AST and GGT in blood plasma were not changed by replacing the Tifton-85 hay with water hyacinth hay. Although water hyacinth hay reduced the intake and digestibility of some nutrients, the Tifton-85 hay replacement could be economically advantageous for sheep feeding.
机译：这项研究的目的是评估用风信子干草（Eichhornia crassipes）代替Tifton-85干草（以干物质计为0、20、40、60和80％）对养分的吸收和养分消化率，摄食行为的影响。 ，绵羊的瘤胃和血液参数。采用5 x 5拉丁方形设计，分配了五只未cast割的雄性绵羊，它们在瘤胃中插管，平均体重为40公斤。水葫芦干草包含870 g / kg干物质（DM），159 g / kg粗蛋白（CP），547 g / kg中性洗涤剂纤维（NDF）和461 g / kg总可消化营养素（TDN）。通过用风信子干草代替Tifton-85干草，可线性降低NDF和非纤维碳水化合物（NFC）的DM摄入量和消化率。同样，反刍时间和DM和NDF进食和反刍效率都有线性下降。用水葫芦干草代替Tifton-85干草，血浆中尿素，葡萄糖，AST和GGT的浓度不变。尽管凤眼干草减少了某些养分的吸收和消化率，但Tifton-85干草的替代物在经济上有利于绵羊饲养。

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