饲粮中全株玉米青贮比例对杜湖杂交母羔生长性能、瘤胃发酵、养分消化率及血清学指标的影响

王金飞,杨国义,樊子菡,刘旗,张鹏程,任有蛇,杨春合,张春香

Effects of Whole Plant Corn Silage Ratio in Diet on Growth Performance, Rumen Fermentation, Nutrient Digestibility and Serological Parameters of Dorper×Hu Crossbred Female Lambs

WANG JinFei,YANG GuoYi,FAN ZiHan,LIU Qi,ZHANG PengCheng,REN YouShe,YANG ChunHe,ZHANG ChunXiang

表7 饲粮中全株玉米青贮比例对杜湖杂交母羔血清免疫指标的影响

Table 7 Effects of whole-plant corn silage ratio in diet on serum immunity index of Doper × Hu crossbred female lambs

项目 Item 组别 Groups 固定效应P值 P values of fixed effects Ⅰ组 Ⅱ组 Ⅲ组 Ⅳ组 组别 Groups 时间 Time 组别×时间 Groups×Time 免疫球蛋白A IgA (g·L-1) 1-90 d 0.64±0.04c 0.66±0.04bc 0.68±0.03ab 0.70±0.02a ＜0.0001 0.0016 0.8686 30 d 0.63±0.07b 0.64±0.06b 0.67±0.05ab 0.69±0.04a 0.0169 60 d 0.65±0.03c 0.67±0.02bc 0.68±0.02b 0.70±0.02a ＜0.0001 90 d 0.64±0.05c 0.66±0.06bc 0.69±0.04ab 0.71±0.01a 0.0004 免疫球蛋白M IgM (g·L-1) 1-90 d 1.04±0.08b 1.07±0.06b 1.07±0.04b 1.11±0.03a 0.0038 0.2169 0.0825 30 d 1.09±0.09 1.06±0.09 1.05±0.04 1.10±0.04 0.3398 60 d 1.02±0.17b 1.12±0.14ab 1.08±0.12a 1.14±0.10a 0.0355 90 d 1.02±0.05c 1.04±0.07bc 1.09±0.04ab 1.10±0.05a 0.0013 免疫球蛋白G IgG (g·L-1) 1-90 d 17.42±1.88 17.42±1.56 17.63±1.42 18.50±1.26 0.1263 ＜0.0001 0.1939 30 d 17.08±1.79 17.08±1.40 16.94±0.73 18.10±1.39 0.1827 60 d 17.28±1.93 17.70±1.77 18.07±1.98 18.60±1.41 0.2629 90 d 17.89±1.41 17.49±1.67 17.86±1.75 18.80±1.24 0.0782 肿瘤坏死因子 TNF-α (pg·ml-1) 1-90 d 62.43±9.34a 59.82±7.65ab 55.44±7.19b 53.94±8.24b 0.0238 ＜0.0001 0.0676 30 d 70.83±13.56 64.85±13.23 60.61±7.23 60.27±9.62 0.0699 60 d 61.05±6.62a 59.87±5.80a 57.88±5.72ab 55.23±5.78b 0.0491 90 d 55.42±8.73a 54.75±6.10a 47.82±9.30b 46.32±9.45b 0.0036