1 材料与方法
1.1 试验材料
1.2 试验设计与饲粮
表1 饲粮组成及营养水平(风干基础)Table 1 Composition and nutrient levels of diets (air-dry basis) % |
| 项目 Items | 组别Groups | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CN | HY5% | HY10% | HY15% | HY20% | HY25% | ||||||||
| 原料Ingredients | |||||||||||||
| 玉米Corn | 30.00 | 25.00 | 21.00 | 16.00 | 13.00 | 8.50 | |||||||
| 豆粕Soybean meal | 16.00 | 16.00 | 16.00 | 16.00 | 16.00 | 16.00 | |||||||
| 饲料酵母Feed yeast | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | |||||||
| 麦麸Wheat bran | 11.50 | 12.00 | 11.00 | 12.00 | 11.00 | 12.50 | |||||||
| 玉米秸秆Corn straw | 22.00 | 21.50 | 21.50 | 20.50 | 19.50 | 17.50 | |||||||
| 苜蓿草粉Alfalfa powder | 13.00 | 13.00 | 13.00 | 13.00 | 13.00 | 13.00 | |||||||
| 石粉Limestone | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | |||||||
| 磷酸氢钙CaHPO4 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | |||||||
| 氯化钠NaCl | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | |||||||
| 预混料Premix1) | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | |||||||
| 谷子Millet | 5.00 | 10.00 | 15.00 | 20.00 | 25.00 | ||||||||
| 合计Total | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | |||||||
| 营养水平Nutrient levels2) | |||||||||||||
| 干物质DM | 89.76 | 89.81 | 90.31 | 89.46 | 90.09 | 89.92 | |||||||
| 消化能DE/(MJ/kg) | 10.78 | 10.68 | 10.62 | 10.54 | 10.53 | 10.52 | |||||||
| 粗蛋白质CP | 16.26 | 16.26 | 16.19 | 16.28 | 16.22 | 16.29 | |||||||
| 粗脂肪EE | 2.25 | 2.22 | 2.20 | 2.19 | 2.19 | 2.20 | |||||||
| 粗纤维CF | 12.46 | 12.69 | 12.86 | 12.83 | 12.68 | 12.38 | |||||||
| 中性洗涤纤维NDF | 31.03 | 31.26 | 31.57 | 32.64 | 31.37 | 31.04 | |||||||
| 酸性洗涤纤维ADF | 17.67 | 17.78 | 18.11 | 18.93 | 19.06 | 18.77 | |||||||
| 粗灰分Ash | 11.35 | 11.75 | 11.14 | 11.35 | 11.57 | 11.87 | |||||||
| 赖氨酸Lys | 0.83 | 0.83 | 0.82 | 0.83 | 0.82 | 0.82 | |||||||
| 蛋基酸+胱氨酸Met+Cys | 0.61 | 0.62 | 0.61 | 0.62 | 0.62 | 0.63 | |||||||
| 苏氨酸Thr | 0.56 | 0.57 | 0.57 | 0.57 | 0.58 | 0.59 | |||||||
| 钙Ca | 1.04 | 1.08 | 0.73 | 1.17 | 1.21 | 1.25 | |||||||
| 磷P | 0.41 | 0.41 | 0.40 | 0.41 | 0.41 | 0.42 | |||||||
1)预混料为每千克饲粮提供 The premix provided the following per kg of diets:VA 6 000 IU,VD3 1 600 IU,VE 25 IU,Fe 60 mg,Zn 75 mg,Cu 25 mg,Mn 70 mg,I 2 mg,Se 0.25 mg。 2)消化能和氨基酸为计算值,其余为实测值。DE and AA were calculated values, while the others were measured values. |
1.3 测定指标与方法
1.3.1 饲粮常规营养成分测定
1.3.2 繁殖性能测定
1.3.3 血清指标测定
1.4 数据统计与分析
2 结果与分析
2.1 谷子替代部分玉米对母兔繁殖性能的影响
表2 谷子替代部分玉米对母兔繁殖性能的影响Table 2 Effects of partial replacement of corn by millet on reproductive performance of female rabbits |
| 项目 Items | 组别Groups | P值 P-value | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CN | HY5% | HY10% | HY15% | HY20% | HY25% | |||||||||
| 产仔数 Litter size/只 | 9.33 ±1.42 | 9.17 ±1.09 | 9.50 ±1.20 | 9.83 ±1.58 | 9.67 ±1.40 | 9.50 ±1.17 | 0.445 | |||||||
| 产活仔数 Live litter size/只 | 8.50 ±0.73 | 8.43 ±0.77 | 8.50 ±0.73 | 8.73 ±0.52 | 8.67 ±0.66 | 8.70 ±0.75 | 0.437 | |||||||
| 初生窝重 Litter weight at birth/g | 451.67 ±45.87 | 453.67 ±33.47 | 460.33 ±40.13 | 469.67 ±37.46 | 465.33 ±32.88 | 461.33 ±28.49 | 0.401 | |||||||
| 21日龄窝重 Litter weight at 21 days of age/g | 2 046.67 ±183.69 | 2 025.00 ±203.23 | 2 057.67 ±251.16 | 2 128.33 ±107.55 | 2 100.00 ±173.21 | 2 068.33 ±290.33 | 0.445 | |||||||
| 断奶窝重 Weaning weight of litter/g | 3 864.67 ±285.94b | 3 880.67 ±255.33b | 3 980.67 ±278.06b | 4 357.53 ±311.16a | 4 309.67 ±338.36a | 4 213.00 ±230.16a | <0.001 | |||||||
| 断奶活仔数 Number of weaned litters/只 | 7.33 ±0.55bc | 7.27 ±0.64c | 7.40 ±0.62abc | 7.67 ±0.48a | 7.57 ±0.57abc | 7.63 ±0.67ab | 0.040 | |||||||
| 断奶成活率 Survival rate of weaning/% | 86.24 | 86.24 | 87.06 | 87.86 | 87.31 | 87.70 | 0.971 | |||||||
同行数据肩标无字母或相同字母表示差异不显著(P>0.05),不同小写字母表示差异显著(P<0.05)。下表同。 | |
In the same row, values with no letter or the same letter superscripts mean no significant difference (P>0.05), while with different small letter superscripts mean significant difference (P<0.05). The same as below. |
2.2 谷子替代部分玉米对母兔血清生殖激素的影响
表3 谷子替代部分玉米对母兔血清生殖激素的影响Table 3 Effects of partial replacement of corn by millet on serum reproductive hormones of female rabbits |
| 项目 Items | 组别Groups | P值 P-value | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CN | HY5% | HY10% | HY15% | HY20% | HY25% | |||||||||||||||||
| 哺乳第21天Day 21 of lactation | ||||||||||||||||||||||
| 雌二醇 E2/(pg/mL) | 91.05 ±3.02 | 91.23 ±2.65 | 90.88 ±2.46 | 91.13 ±1.90 | 91.34 ±2.02 | 90.60 ±1.96 | 0.992 | |||||||||||||||
| 孕酮 PROG/(ng/mL) | 1.47 ±0.18 | 1.42 ±0.21 | 1.44 ±0.26 | 1.51 ±0.17 | 1.45 ±0.15 | 1.52 ±0.24 | 0.926 | |||||||||||||||
| 催乳素 PRL/(mIU/L) | 76.24 ±4.61b | 76.40 ±4.31b | 78.82 ±4.26ab | 81.59 ±2.35a | 80.87 ±1.83a | 78.90 ±3.06ab | 0.019 | |||||||||||||||
| 促卵泡素 FSH/(mIU/mL) | 0.90 ±0.11 | 0.88 ±0.09 | 0.92 ±0.14 | 0.93 ±0.12 | 0.91 ±0.15 | 0.92 ±0.20 | 0.984 | |||||||||||||||
| 黄体生成素 LH/(ng/mL) | 36.44 ±2.81 | 36.77 ±2.44 | 37.14 ±2.50 | 37.51 ±1.63 | 37.47 ±2.41 | 37.40 ±3.03 | 0.943 | |||||||||||||||
| 哺乳第35天Day 35 of lactation | ||||||||||||||||||||||
| 雌二醇 E2/(pg/mL) | 86.59 ±2.92 | 86.38 ±3.27 | 88.75 ±3.66 | 88.91 ±2.99 | 87.20 ±3.71 | 86.25 ±1.69 | 0.337 | |||||||||||||||
| 孕酮 PROG/(ng/mL) | 1.27 ±0.20 | 1.30 ±0.26 | 1.25 ±0.16 | 1.33 ±0.22 | 1.26 ±0.24 | 1.34 ±0.30 | 0.957 | |||||||||||||||
| 催乳素 PRL/(mIU/L) | 53.92 ±4.09 | 53.24 ±3.62 | 54.25 ±3.72 | 56.01 ±2.95 | 55.74 ±3.42 | 54.69 ±3.58 | 0.615 | |||||||||||||||
| 促卵泡素 FSH/(mIU/mL) | 1.16 ±0.18 | 1.18 ±0.22 | 1.27 ±0.31 | 1.29 ±0.20 | 1.23 ±0.15 | 1.19 ±0.24 | 0.814 | |||||||||||||||
| 黄体生成素 LH/(ng/mL) | 37.91 ±2.23 | 37.63 ±1.88 | 38.82 ±3.09 | 38.55 ±2.90 | 38.08 ±2.39 | 38.12 ±1.98 | 0.938 | |||||||||||||||
2.3 谷子替代部分玉米对母兔血清生化指标的影响
表4 谷子替代部分玉米对母兔血清生化指标的影响Table 4 Effects of partial replacement of corn by millet on serum biochemical indexes of female rabbits |
| 项目 Items | 组别Groups | P值 P-value | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CN | HY5% | HY10% | HY15% | HY20% | HY25% | |||||||||||||||||
| 哺乳第21天Day 21 of lactation | ||||||||||||||||||||||
| 总蛋白 TP/(g/L) | 58.80 ±2.54b | 59.60 ±3.27ab | 60.40 ±3.06ab | 61.73 ±2.85a | 61.90 ±1.90a | 61.20 ±2.03ab | 0.033 | |||||||||||||||
| 白蛋白 ALB/(g/L) | 33.30 ±2.17 | 33.68 ±3.24 | 34.33 ±2.12 | 34.63 ±2.61 | 34.90 ±1.71 | 34.23 ±3.07 | 0.820 | |||||||||||||||
| 丙氨酸氨基转移酶 ALT/(U/L) | 42.38 ±3.11 | 41.63 ±2.77 | 42.13 ±3.18 | 41.25 ±2.76 | 40.75 ±1.98 | 41.50 ±3.30 | 0.890 | |||||||||||||||
| 天门冬氨酸氨基转移酶 AST/(U/L) | 51.13 ±3.68 | 51.50 ±1.85 | 50.00 ±3.42 | 50.63 ±4.07 | 50.38 ±3.54 | 49.25 ±3.92 | 0.829 | |||||||||||||||
| 碱性磷酸酶 ALP/(U/L) | 136.25 ±8.73 | 135.63 ±6.44 | 138.63 ±4.50 | 135.50 ±6.21 | 136.63 ±7.96 | 137.75 ±5.26 | 0.925 | |||||||||||||||
| 甘油三酯 TG/(mmol/L) | 1.39 ±0.14 | 1.36 ±0.08 | 1.37 ±0.13 | 1.31 ±0.10 | 1.35 ±0.18 | 1.34 ±0.11 | 0.871 | |||||||||||||||
| 胆固醇 CHOL/(mmol/L) | 2.65 ±0.23 | 2.58 ±0.09 | 2.56 ±0.10 | 2.51 ±0.19 | 2.49 ±0.12 | 2.53 ±0.20 | 0.434 | |||||||||||||||
| 葡萄糖 GLU/(mmol/L) | 7.72 ±0.31 | 7.63 ±0.61 | 7.59 ±0.19 | 7.45 ±0.60 | 7.51 ±0.28 | 7.49 ±0.24 | 0.780 | |||||||||||||||
| 肌酐 CRE/(μmol/L) | 95.38 ±7.39 | 95.63 ±4.24 | 94.75 ±6.02 | 93.50 ±3.42 | 93.88 ±7.51 | 94.13 ±5.77 | 0.974 | |||||||||||||||
| 尿素氮 UN/(mmol/L) | 5.11 ±0.22 | 5.10 ±0.33 | 5.17 ±0.37 | 5.26 ±0.20 | 5.28 ±0.29 | 5.24 ±0.43 | 0.784 | |||||||||||||||
| 哺乳第35天Day 35 of lactation | ||||||||||||||||||||||
| 总蛋白 TP/(g/L) | 59.79 ±3.06 | 60.38 ±2.74 | 60.89 ±4.52 | 60.98 ±2.59 | 60.58 ±5.16 | 60.62 ±3.46 | 0.990 | |||||||||||||||
| 白蛋白 ALB/(g/L) | 31.21 ±2.76 | 31.28 ±1.29 | 31.40 ±2.73 | 32.10 ±2.08 | 31.83 ±1.30 | 32.01 ±2.36 | 0.934 | |||||||||||||||
| 丙氨酸氨基转移酶 ALT/(U/L) | 41.38 ±3.02 | 40.00 ±3.30 | 40.63 ±1.92 | 39.50 ±3.21 | 39.75 ±2.38 | 40.25 ±2.19 | 0.779 | |||||||||||||||
| 天门冬氨酸氨基转移酶 AST/(U/L) | 46.00 ±3.30 | 45.63 ±2.83 | 45.38 ±3.38 | 45.13 ±4.05 | 45.75 ±1.98 | 44.50 ±3.51 | 0.953 | |||||||||||||||
| 碱性磷酸酶 ALP/(U/L) | 138.63 ±7.82 | 139.13 ±6.40 | 137.38 ±7.54 | 136.50 ±5.73 | 138.25 ±7.38 | 137.13 ±8.58 | 0.979 | |||||||||||||||
| 甘油三酯 TG/(mmol/L) | 1.01 ±0.10 | 1.00 ±0.06 | 0.98 ±0.09 | 0.97 ±0.12 | 0.99 ±0.11 | 0.96 ±0.08 | 0.931 | |||||||||||||||
| 胆固醇 CHOL/(mmol/L) | 2.53 ±0.20 | 2.50 ±0.11 | 2.47 ±0.15 | 2.44 ±0.18 | 2.41 ±0.13 | 2.43 ±0.21 | 0.698 | |||||||||||||||
| 葡萄糖 GLU/(mmol/L) | 6.42 ±0.26 | 6.41 ±0.19 | 6.35 ±0.17 | 6.28 ±0.22 | 6.40 ±0.26 | 6.36 ±0.39 | 0.899 | |||||||||||||||
| 肌酐 CRE/(μmol/L) | 92.13 ±6.29 | 91.38 ±4.31 | 90.88 ±5.89 | 90.00 ±3.38 | 91.25 ±6.32 | 90.63 ±4.41 | 0.978 | |||||||||||||||
| 尿素氮 UN/(mmol/L) | 3.89 ±0.25 | 3.90 ±0.34 | 3.92 ±0.18 | 4.01 ±0.21 | 3.97 ±0.31 | 3.96 ±0.27 | 0.938 | |||||||||||||||
2.4 谷子替代部分玉米对母兔血清免疫指标的影响
表5 谷子替代部分玉米对母兔血清免疫指标的影响Table 5 Effects of partial replacement of corn by millet on serum immune indexes of female rabbits |
| 项目 Items | 组别Groups | P值 P-value | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CN | HY5% | HY10% | HY15% | HY20% | HY25% | |||||||||||||||||
| 哺乳第21天Day 21 of lactation | ||||||||||||||||||||||
| 免疫球蛋白A IgA/(μg/mL) | 59.08 ±6.44 | 60.07 ±9.33 | 60.94 ±6.93 | 61.51 ±8.90 | 61.12 ±5.71 | 61.05 ±8.62 | 0.990 | |||||||||||||||
| 免疫球蛋白G IgG/(mg/mL) | 5.08 ±0.57 | 5.27 ±0.78 | 5.38 ±0.65 | 5.42 ±0.60 | 5.33 ±0.62 | 5.39 ±0.46 | 0.895 | |||||||||||||||
| 免疫球蛋白M IgM/(μg/mL) | 133.30 ±9.06 | 136.29 ±11.11 | 137.77 ±10.04 | 139.40 ±11.97 | 137.95 ±10.99 | 136.55 ±8.78 | 0.899 | |||||||||||||||
| 白细胞介素-2 IL-2/(pg/mL) | 29.93 ±2.75 | 30.88 ±2.38 | 31.34 ±2.26 | 31.81 ±2.97 | 31.95 ±2.21 | 31.69 ±2.32 | 0.599 | |||||||||||||||
| 白细胞介素-4 IL-4/(pg/mL) | 21.09 ±2.02 | 21.76 ±1.95 | 22.48 ±2.63 | 23.36 ±3.31 | 22.79 ±2.63 | 21.68 ±2.43 | 0.511 | |||||||||||||||
| 哺乳第35天Day 35 of lactation | ||||||||||||||||||||||
| 免疫球蛋白A IgA/(μg/mL) | 60.49 ±8.13 | 63.51 ±8.39 | 64.36 ±6.96 | 64.59 ±8.84 | 64.07 ±6.93 | 63.01 ±6.90 | 0.907 | |||||||||||||||
| 免疫球蛋白G IgG/(mg/mL) | 5.13 ±0.54 | 5.54 ±0.85 | 5.56 ±0.92 | 5.63 ±0.89 | 5.48 ±0.77 | 5.45 ±0.80 | 0.856 | |||||||||||||||
| 免疫球蛋白M IgM/(μg/mL) | 135.53 ±10.10 | 140.72 ±8.16 | 141.19 ±7.81 | 141.11 ±12.37 | 142.07 ±11.41 | 139.83 ±11.69 | 0.842 | |||||||||||||||
| 白细胞介素-2 IL-2/(pg/mL) | 30.59 ±2.65 | 31.70 ±2.27 | 32.00 ±2.70 | 32.17 ±2.05 | 32.29 ±2.59 | 31.95 ±2.26 | 0.762 | |||||||||||||||
| 白细胞介素-4 IL-4/(pg/mL) | 21.68 ±2.65 | 22.00 ±2.23 | 23.14 ±2.57 | 23.54 ±2.85 | 23.20 ±2.87 | 21.85 ±2.23 | 0.561 | |||||||||||||||
2.5 谷子替代部分玉米对母兔血清抗氧化指标的影响
表6 谷子替代部分玉米对母兔血清抗氧化指标的影响Table 6 Effects of partial replacement of corn by millet on serum antioxidant indexes of female rabbits |
| 项目 Items | 组别Groups | P值 P-value | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CN | HY5% | HY10% | HY15% | HY20% | HY25% | |||||||||
| 哺乳第21天Day 21 of lactation | ||||||||||||||
| 谷胱甘肽过氧化物酶 GSH-Px/(ng/mL) | 35.68 ±1.85 | 35.78 ±2.38 | 35.95 ±2.16 | 36.62 ±3.13 | 36.79 ±1.77 | 36.30 ±2.45 | 0.907 | |||||||
| 超氧化物歧化酶 SOD/(ng/mL) | 157.33 ±8.75 | 158.30 ±9.08 | 160.57 ±8.86 | 161.44 ±8.31 | 159.09 ±9.22 | 160.92 ±9.25 | 0.930 | |||||||
| 过氧化氢酶 CAT/(ng/mL) | 12.08 ±1.28 | 12.26 ±1.33 | 12.53 ±2.02 | 12.78 ±1.55 | 12.54 ±1.85 | 12.75 ±1.60 | 0.949 | |||||||
| 丙二醛 MDA/(nmol/mL) | 5.25 ±0.77 | 5.12 ±0.91 | 5.02 ±0.88 | 4.97 ±0.78 | 5.07 ±0.85 | 5.03 ±0.90 | 0.991 | |||||||
| 哺乳第35天Day 35 of lactation | ||||||||||||||
| 谷胱甘肽过氧化物酶 GSH-Px/(ng/mL) | 35.73 ±2.51 | 35.90 ±1.92 | 35.93 ±2.07 | 37.12 ±2.89 | 37.26 ±2.19 | 36.95 ±1.79 | 0.580 | |||||||
| 超氧化物歧化酶 SOD/(ng/mL) | 155.50 ±5.01c | 156.72 ±4.52bc | 162.35 ±6.28ab | 164.86 ±5.39a | 164.65 ±6.01a | 163.97 ±8.31a | 0.006 | |||||||
| 过氧化氢酶 CAT/(ng/mL) | 12.39 ±1.24 | 12.60 ±2.11 | 12.73 ±1.51 | 13.62 ±1.12 | 12.98 ±1.34 | 13.03 ±1.53 | 0.665 | |||||||
| 丙二醛 MDA/(nmol/mL) | 5.03 ±0.60 | 5.07 ±0.49 | 4.76 ±0.50 | 4.65 ±0.52 | 4.67 ±0.62 | 4.70 ±0.46 | 0.703 | |||||||

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