肉羊精料可代谢蛋白质预测模型的建立

富丽霞,马涛,刁其玉,成述儒,宋雅喆,孙卓琳

Establishment of a Prediction Model of Metabolizable Protein of Concentrate for Mutton Sheep

FU LiXia,MA Tao,DIAO QiYu,CHENG ShuRu,SONG YaZhe,SUN ZhuoLin

表4 单一精饲料蛋白质瘤胃降解率和瘤胃非降解蛋白质小肠消化率

Table 4 Ruminal degradability of crude protein and intestinal digestibility of undegraded dietary protein of concentrates (%)

项目 Items 高粱Sorghum 玉米Corn 大麦 Barley 小麦 Wheat 燕麦 Oat 菜籽粕 Rapeseed meal 花生粕 Peanut meal 棉籽粕 Cottonseed meal 豆粕Soybean meal 玉米 酒糟DDGS SEM P值 P value 蛋白质瘤胃降解率 Ruminal degradability of crude protein 6 h 16.64d 24.25bcd 22.73cd 30.30b 44.30a 27.42bc 24.33bcd 29.19b 16.87d 15.77d 1.697 ＜0.01 12 h 20.10d 27.54cd 31.66cd 49.83b 63.53a 35.55c 28.63cd 31.53cd 20.28d 19.73d 2.649 ＜0.01 24 h 24.82c 32.77bc 39.66b 63.25a 72.64a 41.34b 40.82b 42.52b 34.15bc 22.15c 2.948 ＜0.01 36 h 36.18cd 37.66cd 48.51bc 70.28a 80.64a 47.56bc 48.55bc 54.55b 41.45bcd 35.03d 3.302 ＜0.01 48 h 38.77d 47.25cd 59.36bc 74.27a 84.19a 58.01bc 59.51bc 62.18b 54.02bc 38.88d 2.668 ＜0.01 有效降解率Effective degradation rate 45.08e 43.71e 44.38e 49.32de 60.87a 52.04bcd 57.26ab 54.62bcd 56.02abc 51.08cd 1.143 ＜0.01 瘤胃非降解 蛋白质小肠消化率 Small intestine digestibility of undegraded dietary protein 84.69d 86.23cd 84.23d 84.10d 80.10e 89.25b 92.86a 92.31a 89.26b 87.31bc 0.731 ＜0.01