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当前位置: 首页 > 文章 > 辽宁绒山羊成年公羊对不同苜蓿草比例TMR日粮消化性能的研究 现代畜牧兽医 2015 (5) 19-24
Position: Home > Articles > Research on digestibility of diet with Alfalfa Ratio for Liaoning Cashmere Rams Modern Journal of Animal Husbandry and Veterinary Medicine 2015 (5) 19-24

辽宁绒山羊成年公羊对不同苜蓿草比例TMR日粮消化性能的研究

作  者：
孙亚波;边革;彭宏伟;李博平
单  位：
辽宁省畜牧科学研究院;辽宁省畜牧业经济管理站
关键词：
辽宁绒山羊;成年公羊;苜蓿草;消化性能
摘  要：
选择12只辽宁绒山羊种公羊,随机分成3组,每组4只,试验1组、2组和3组日粮苜蓿草比例依次为20%、30%和40%,精粗比分别为29.6:70.4、23.2:76.8和17.7:82.3,其他营养水平基本相同。结果表明,试验1组和2组粗蛋白表观消化率和代谢率均高于试验3组,并且试验1组与3组差异显著(P<0.05)。试验1组总能表观消化率和总能代谢率均显著(P<0.05)高于试验3组。试验1组粗脂肪表观消化率显著(P<0.05)高于试验3组。在矿物质方面,试验1组和2组粗灰分表观消化率和磷表观消化率均高于试验3组,并且试验1组与3组差异显著(P<0.05)。在纤维类物质方面,试验1组和2组粗纤维和NDF的表观消化率均高于试验3组,且试验1组与3组差异显著(P<0.05)。试验1组和2组ADF的表观消化率均极显著(P<0.01)高于试验3组。因此,当苜蓿草比例为20%、精粗比为30:70时,成年辽宁绒山羊公羊对各类营养物质的消化率最高,饲料利用率最佳。
译  名：
Research on digestibility of diet with Alfalfa Ratio for Liaoning Cashmere Rams
作  者：
Sun Yabo;Bian Ge;Peng Hongwei;Li Boping;The Institute of Animal Husbandry of Liaoning Province;Liaoning Province Management Station of Animal Husbandry Economy;
关键词：
Liaoning Cashmere goat;;Ram;;Alfalfa;;Digestibility
摘  要：
Twelve Liaoning Cashmere Rams were randomly divided into three groups, feeding with number 1 to 3 diet which including alfalfa 20%, 30% and 40%, and the concentrate to forage ratio were 29.6%:70.4%,23.2%:76.8% and 17.7%:82.3% respectively. And other nutrients were nearly same.The apparent digestibility and metabolic rate of crude protein in group Ⅰ and Ⅱ were all higher than group Ⅲ, and there was significant(P<0.05)difference between group Ⅰ and group Ⅲ. Apparent digestibility and metabolic rate of GE(gross energy) in group Ⅰ was significantly(P<0.05)higher than group Ⅲ. Apparent digestibility of EE(ether extract), Ash, phosphorus, CF(Crude Fiber), NDF(neutral detergent fiber) in group Ⅰ was significantly(P<0.05) higher than group Ⅲ.And apparent digestibility of ADF(acid detergent fiber) in group Ⅰ and Ⅱ were extremely significantly(P<0.01) higher than group Ⅲ. According to the results it could been summarized that the digestibility of nutrients was the highest when diet including alfalfa 20%, the concentrate to forage ratio was 30%:70%.

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