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6 饲粮中全株玉米青贮比例对杜湖杂交母羔血清抗氧化指标的影响

Table 6 Effects of whole-plant corn silage ratio in diet on serum antioxidant 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 Ⅱ Ⅲ Ⅳ 组别 Groups 时间 Time 组别×时间 Groups×Time 总抗氧化能力 T-AOC (U·mL-1) 1-90 d 10.40±1.32 10.30±1.57 11.49±2.15 10.04±1.28 0.0666 ＜0.0001 0.0701 30 d 8.77±1.39 9.20±1.56 10.34±2.14 8.85±1.59 0.0515 60 d 11.19±2.01 10.49±1.78 11.51±2.88 9.54±1.59 0.1276 90 d 11.24±0.74b 11.22±1.61b 12.62±1.93a 11.73±1.63ab 0.0433 过氧化氢酶 CAT (U·mL-1) 1-90 d 50.83±6.87 50.56±6.50 50.93±5.32 51.52±4.62 0.9700 ＜0.0001 0.0751 30 d 44.33±5.51 44.30±5.73 45.11±4.57 47.32±5.35 0.2514 60 d 50.30±5.06 49.14±7.52 47.97±5.76 50.15±4.68 0.7542 90 d 57.84±9.41 58.25±7.49 59.71±6.08 57.11±7.06 0.8067 丙二醛 MDA (nmol·mL-1) 1-90 d 4.17±0.74 4.16±0.42 3.90±0.43 4.29±0.45 0.1887 ＜0.0001 0.0089 30 d 4.67±0.81 4.42±0.74 4.30±0.31 4.92±0.75 0.0886 60 d 4.00±0.87 4.15±0.69 4.05±0.57 4.24±0.55 0.7544 90 d 3.84±0.66a 3.89±0.41a 3.35±0.51b 3.71±0.51ab 0.0169 超氧化物歧化酶 SOD (U·mL-1) 1-90 d 63.83±7.89 64.05±6.81 65.51±9.59 69.92±5.60 0.1143 ＜0.0001 0.3322 30 d 58.51±11.74 57.53±14.09 55.42±14.34 62.84±10.96 0.4554 60 d 64.60±5.88b 66.73±6.67ab 69.29±8.03ab 70.55±6.38a 0.0462 90 d 68.39±6.25b 67.88±8.23b 71.80±7.25ab 76.38±8.39a 0.0369 谷胱甘肽过氧化物酶 GSH-Px (U·mL-1) 1-90 d 540.99±54.65b 564.43±51.22ab 563.30±47.33ab 589.49±49.89a 0.0457 ＜0.0001 0.0033 30 d 520.76±48.33 520.79±53.74 509.51±49.74 536.41±40.03 0.5275 60 d 517.19±81.34b 558.50±68.09ab 559.12±67.32ab 607.55±56.12a 0.0134 90 d 585.00±35.53b 613.99±35.56a 621.28±34.43a 624.53±41.40a 0.0041