氨基酸缺乏对母犊牛生长和日粮养分消化代谢的影响
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孔凡林,李媛,唐梦琪,马满鹏,付彤,刁其玉,成思源,屠焰
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Effects of Amino Acid Deficiency on Growth Development, Dietary Nutrients Digestion and Metabolism in Heifers
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FanLin KONG,Yuan LI,MengQi TANG,ManPeng MA,Tong FU,QiYu DIAO,SiYuan CHENG,Yan TU
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表1 基础饲粮组成及营养水平(干物质基础,%)
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Table 1 Composition and nutrient levels of basal diet (dry matter basis, %)
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日粮组成 Ingredient | 含量Content (%) | | 营养成分Nutrient 2) | 营养水平Nutrient level | 玉米 Corn | 45.67 | | 干物质 DM(风干物质基础 Air-dry basis) | 90.53 | 苜蓿 Alfalfa | 25 | | 小麦麸 Wheat bran | 15 | | 总能 GE(Mcal/kg) | 16.76 | 大豆粕 Soybean meal | 11.97 | | 代谢能 ME(Mcal/kg) | 12.71 | 细石粉 CaCO3 | 1.06 | | 有机物 OM | 93.32 | 预混料1% Premix1) | 1 | | 粗蛋白质 CP | 19.22 | 食盐 NaCl | 0.3 | | 粗脂肪 EE | 4.56 | 合计 Total | 100 | | 中性洗涤纤维 NDF | 20.08 | | | | 酸性洗涤纤维 ADF | 11.43 | | | | 钙 Ca | 1.07 | | | | 磷 P | 0.49 | | | | 赖氨酸 Lys | 0.73 | | | | 蛋氨酸 Met | 0.11 | | | | 苏氨酸 Thr | 0.41 |
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