1 材料与方法
1.1 试验材料
1.2 试验设计
表1 基础饲粮组成及营养水平(干物质基础)Table 1 Composition and nutrient levels of the basal diet (DM basis) % |
| 原料Ingredients | 含量Content | 营养水平Nutrient levels2) | 含量Content | |
|---|---|---|---|---|
| 玉米秸秆青贮Corn straw silage | 42.50 | 代谢能ME/(MJ/kg) | 8.31 | |
| 花生秧Peanut vine | 16.50 | 粗蛋白质CP | 12.16 | |
| 玉米Corn | 25.00 | 粗脂肪EE | 5.32 | |
| 豆粕Soybean meal | 9.00 | 粗灰分Ash | 9.60 | |
| 小麦麸Wheat bran | 4.00 | 中性洗涤纤维NDF | 48.57 | |
| 预混料Premix1) | 1.00 | 酸性洗涤纤维ADF | 27.01 | |
| 小苏打NaHCO3 | 0.75 | 钙Ca | 0.75 | |
| 食盐NaCl | 0.50 | 总磷TP | 0.34 | |
| 磷酸氢钙CaHPO4 | 0.75 | |||
| 合计Total | 100.00 |
1)每千克预混料含有 One kilogram of the premix contained the following:VA 300 000 IU,VD3 60 000 IU,VE 4 000 mg,Cu (as copper sulfate) 250 mg,Fe (as ferrous sulfate) 1 801 mg,Zn (as zinc sulfate) 1 400 mg,Mn (as manganese sulfate) 1 120 mg,Se (as sodium selenite) 10 mg,I (as potassium iodide) 15 mg,Mg (as manganese sulfate) 8~200 mg。 2)代谢能为计算值,其余为实测值。ME was a calculated value, while the others were measured values. |
1.3 饲养管理
1.4 测定指标及方法
1.4.1 生长性能
1.4.2 繁殖性能
1.4.3 泌乳性能
1.4.4 营养物质表观消化率
1.5 数据处理与分析
2 结果与分析
2.1 饲粮添加ATC和YC对母羊生产性能的影响
表2 饲粮添加ATC和YC对母羊采食量的影响Table 2 Effects of dietary ATC and YC on feed intake of ewesk g/d |
| 项目 Items | 组别Groups | 均值标准误 SEM | P值 P-value | ||
|---|---|---|---|---|---|
| CON | ATC | YC | |||
| 妊娠期Pregnancy | |||||
| 第90~110天Days 90 to 110 | 1.64b | 1.73ab | 1.75a | 0.02 | 0.039 |
| 第111~130天Days 111 to 130 | 1.82b | 1.94a | 1.94a | 0.01 | <0.001 |
| 第131~145天Days 131 to 145 | 1.95 | 2.12 | 2.10 | 0.06 | 0.534 |
| 第90~145天Days 90 to 145 | 1.82 | 1.95 | 1.95 | 0.03 | 0.151 |
| 哺乳期Lactation | |||||
| 第1~15天Days 1 to 15 | 1.82 | 1.95 | 2.08 | 0.05 | 0.089 |
| 第16~30天Days 16 to 30 | 1.85b | 2.00a | 2.07a | 0.02 | <0.001 |
| 第31~45天Days 31 to 45 | 1.95b | 2.09ab | 2.17a | 0.03 | 0.014 |
| 第1~45天Days 1 to 45 | 1.88c | 2.02b | 2.11a | 0.02 | <0.001 |
同行数据肩标相同字母或无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 the same letter or no 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. |
表3 饲粮添加ATC和YC对母羊体重变化的影响Table 3 Effects of dietary ATC and YC on body weight change of ewes kg |
| 项目 Items | 组别Groups | 均值标准误 SEM | P值 P-value | |||
|---|---|---|---|---|---|---|
| CON | ATC | YC | ||||
| 第90天Day 90 | 46.58 | 47.47 | 48.44 | 0.90 | 0.715 | |
| 妊娠期 | 第120天Day 120 | 51.65 | 53.29 | 53.60 | 0.87 | 0.635 |
| Pregnancy | 第145天Day 145 | 55.40 | 58.19 | 58.05 | 0.89 | 0.366 |
| 第90~145天总增重 Total weight gain from days 90 to 145 | 8.82 | 10.72 | 9.62 | 0.52 | 0.334 | |
哺乳期 | 第1天Day 1 | 44.62 | 47.71 | 45.69 | 0.97 | 0.436 |
Lactation | 第30天Day 30 | 42.17 | 45.90 | 43.79 | 1.07 | 0.373 |
| 第45天Day 45 | 41.57 | 44.83 | 43.97 | 1.00 | 0.404 | |
| 分娩前后Before and after delivery | -10.78 | -10.48 | -12.36 | 0.53 | 0.310 | |
失重 Weight loss | 哺乳期第1~30天 Days 1 to 30 during lactation | -2.45 | -1.81 | -1.90 | 0.47 | 0.843 |
| 哺乳期第31~45天 Days 31 to 45 during lactation | -0.60 | -1.07 | +0.18 | 0.35 | 0.343 | |
| 哺乳期第1~45天 Days 1 to 45 during lactation | -3.05 | -2.88 | -1.72 | 0.59 | 0.625 | |
2.2 饲粮添加ATC和YC对母羊泌乳性能的影响
表4 饲粮添加ATC和YC对母羊泌乳性能的影响Table 4 Effects of dietary ATC and YC on lactation performance of ewes kg |
| 项目 Items | 组别Groups | 均值标准误 SEM | P值 P-value | ||
|---|---|---|---|---|---|
| CON | ATC | YC | |||
| 泌乳量Milk yield | |||||
| 第1天Day 1 | 0.50 | 0.62 | 0.72 | 0.04 | 0.115 |
| 第7天Day 7 | 0.78 | 0.80 | 0.70 | 0.06 | 0.771 |
| 第15天Day 15 | 1.06 | 1.24 | 0.97 | 0.05 | 0.076 |
| 第30天Day 30 | 0.56 | 0.64 | 0.65 | 0.04 | 0.547 |
| 第45天Day 45 | 0.41 | 0.53 | 0.61 | 0.04 | 0.078 |
| 总泌乳量Total milk yield | 32.17 | 37.22 | 33.89 | 1.01 | 0.116 |
| 平均日泌乳量Average daily milk yield | 0.71 | 0.83 | 0.75 | 0.02 | 0.117 |
2.3 饲粮添加ATC和YC对母羊营养物质表观消化率的影响
表5 饲粮添加ATC和YC对母羊营养物质表观消化率的影响Table 5 Effects of dietary ATC and YC on nutrient apparent digestibility of ewes % |
| 项目 Items | 组别Groups | 均值标准误 SEM | P值 P-value | |||
|---|---|---|---|---|---|---|
| CON | ATC | YC | ||||
| 干物质DM | 73.66 | 74.02 | 75.55 | 0.85 | 0.689 | |
| 有机物OM | 80.55 | 81.80 | 83.77 | 0.65 | 0.118 | |
| 粗蛋白质CP | 53.23 | 58.54 | 58.54 | 1.86 | 0.462 | |
| 妊娠期 | 粗脂肪EE | 80.33 | 84.17 | 83.76 | 0.77 | 0.055 |
| Pregnancy | 中性洗涤纤维NDF | 69.51 | 73.15 | 71.27 | 0.75 | 0.492 |
| 酸性洗涤纤维ADF | 67.52 | 69.08 | 66.13 | 1.97 | 0.867 | |
| 干物质DM | 78.01 | 78.91 | 78.45 | 0.39 | 0.708 | |
| 有机物OM | 83.62 | 85.96 | 84.80 | 0.57 | 0.277 | |
| 粗蛋白质CP | 58.97 | 62.15 | 63.41 | 0.98 | 0.163 | |
| 哺乳期 | 粗脂肪EE | 85.48 | 87.65 | 86.07 | 0.42 | 0.071 |
| Lactation | 中性洗涤纤维NDF | 70.42 | 71.99 | 72.30 | 0.63 | 0.480 |
| 酸性洗涤纤维ADF | 70.61b | 84.87a | 72.53b | 2.41 | 0.003 | |
2.4 母羊饲粮添加ATC和YC对羔羊生长性能的影响
表6 母羊饲粮添加ATC和YC对羔羊生长性能的影响Table 6 Effects of dietary ATC and YC in ewe diets on growth performance of lambs |
| 项目 Items | 组别Groups | 均值标准误 SEM | P值 P-value | ||
|---|---|---|---|---|---|
| CON | ATC | YC | |||
| 产羔总数Total number of lambing/只 | 29 | 30 | 32 | ||
| 产羔率Lambing rate/% | 193.3 | 200.0 | 213.3 | ||
| 单羔率Single lamb rate/% | 26.7 | 33.3 | 13.3 | ||
| 双羔率Double lamb rate/% | 40.0 | 60.0 | 60.0 | ||
| 多羔率Multiple lamb rate/% | 26.7 | 26.7 | 26.7 | ||
| 初生重Birth weight/kg | 2.92 | 3.01 | 2.68 | 0.09 | 0.491 |
| 30日龄体重BW at 30 days of age/kg | 6.81 | 7.90 | 7.09 | 0.26 | 0.225 |
| 45日龄体重BW at 45 days of age/kg | 8.79 | 10.66 | 9.76 | 0.37 | 0.135 |
| 1~45日龄平均日增重 ADG from 1 to 45 days of age/(g/d) | 134.04 | 173.02 | 160.10 | 6.88 | 0.061 |

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