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首页> 外文期刊>Tropical Animal Health and Production >Nutritional effects of using cactus cladodes (Opuntia stricta Haw Haw) to replace sorghum silage in sheep diet
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Nutritional effects of using cactus cladodes (Opuntia stricta Haw Haw) to replace sorghum silage in sheep diet

机译：使用仙人掌的Cactus Cladodes（opuntia stricta haw haw）替代高粱青贮饲料营养效果

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摘要

The aim of the present study was to evaluate the effects of replacing the sorghum silage in sheep diet with cactus cladodes [CC -Opuntia stricta(Haw) Haw] on dry matter and its compound intake and digestibility, feeding behavior, and nitrogen balance. The diets consisted of five replacement levels [0, 200, 400, 600, and 800 g/kg on a dry matter (DM) basis] and were formulated to be isonitrogenous [140 g/kg crude protein [CP], considering the ingredients' composition, with a roughage/concentrate ratio of 65:35, on a DM basis. Five uncastrated crossbred sheep, with an average body weight of 52.9 +/- 6.0 kg, were assigned to a 5 x 5 Latin square. The trial lasted for 105 days with five consecutive 21-day periods, divided into 14-day adaptation and 7-day sampling periods. Dry matter (DM), organic matter, non-fiber carbohydrate (NFC), total digestible nutrient intake, and DM and NFC digestibility, increased (P <= 0.04) with the replacement of sorghum silage by CC. However, the time spent feeding and ruminating decreased, while idle time increased (P <= 0.03). Only feeding and rumination efficiency of DM improved (P <= 0.01) with the replacement, whereas feeding and rumination efficiency of neutral detergent fiber corrected to ash and protein did not. Nitrogen intake and nitrogen balance were not influenced, and urinary volume increased (P <= 0.01) with the addition of CC in the diet. In conclusion, we recommend replacing 80% of the sorghum silage with CC in sheep diets (with 35% concentrate), as CC was found to substantially increase the intake of nutrients, primarily energy.
机译：本研究的目的是评估用仙人掌饮食中的羊饮食中的高粱青贮饲料[CC-opuntia stricta（Haw）Haw]在干物质及其复合摄入和消化率，饲料行为和氮气平衡中的影响。在干物质（DM）的基础上，由五个替代水平[0,200,400,600和800g / kg组成的饮食]，并被配制成正等态[140g / kg粗蛋白[CP]，考虑成分'组合物，粗饲料/浓缩比为65:35，在DM的基础上。平均体重为52.9 +/- 6.0 kg的五个无弯曲的杂交绵羊，被分配到5 x 5拉丁广场。审判持续了105天，连续五天，分为14天适应和7天的抽样期。干物质（DM），有机物，非纤维碳水化合物（NFC），总消化营养素摄入和DM和NFC消化率，增加（P <= 0.04），CC替代高粱青贮组成。然而，喂养和反光的时间降低，而空闲时间增加（P <= 0.03）。只有DM的喂料和仪表效率改善（P <= 0.01），更换，而中性洗涤剂纤维的饲喂和仪表效率校正为灰分，蛋白质没有。氮气摄入和氮气平衡没有影响，尿量增加（P <= 0.01），加入饮食中的CC。总之，我们建议用羊饮食中的CC（浓缩35％）取代80％的高粱青贮饲料，因为CC被发现显着增加了营养素的摄入量，主要是能量。

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