高脂肪日粮对早期断奶羔羊断奶前后能量代谢和屠宰性能的影响
李文娟,陶慧,张乃锋,马涛,刁其玉

Effects of High-Fat Diet on Energy Metabolism and Slaughter Performance of Early-Weaning Lambs
LI WenJuan,TAO Hui,ZHANG NaiFeng,MA Tao,DIAO QiYu
表1 代乳粉及开食料日粮组成及营养成分表
Table 1 Composition and nutrient levels of milk replacers and starters (%)
项目
Items
代乳粉Milk replacer 开食料 Starter
原料组成Ingredients(风干基础air dry basis)
玉米Corn (%) 47.25 50.00 55.00
豆粕Soybean meal (%) 28.70 31.48 19.00
麦麸Wheat bran (%) 20.00 10.00 7.60
羊草Leymus chinensis (%) 0.00 0.00 15.00
脂肪粉Fat powder (%) 0.00 4.34 0.00
石粉Limestone (%) 2.56 2.44 1.60
食盐Salt (%) 0.43 0.44 0.35
磷酸氢钙 CaHPO4 (%) 0.06 0.30 0.45
预混料Premix1) (%) 1.00 1.00 1.00
合计Total (%) 100.00 100.00 100.00
营养水平Nutrient levels(干物质基础 dry matter basis)
干物质DM (%) 94.77 95.04 93.48 93.44 86.79
粗蛋白质CP (%) 23.12 23.53 20.97 21.01 15.35
粗脂肪EE (%) 15.15 26.89 2.80 5.07 2.81
中性洗涤纤维NDF (%) - - 24.79 15.73 21.07
酸性洗涤纤维ADF (%) - - 5.18 4.52 2.48
粗灰分Ash (%) 6.06 6.54 7.06 7.06 6.63
钙Ca (%) 1.12 1.15 1.04 1.03 1.06
磷P (%) 0.63 0.67 0.52 0.48 0.45