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(风干基础)Table 1 Composition and nutrient levels of the basal diet (air-dry basis)% |
| 项目 Items | 含量 Content |
|---|---|
| 原料 Ingredients | |
| 玉米 Corn | 42.40 |
| 豆粕 Soybean meal | 28.80 |
| 大豆油 Soybean oil | 5.00 |
| 玉米干酒糟及其可溶物 Corn DDGS | 10.00 |
| 国产膨化大豆 Domestic expanded soybean | 2.65 |
| 苏氨酸 Threonine | 0.03 |
| 赖氨酸 Lysine | 0.18 |
| DL-蛋氨酸 DL-methionine | 0.21 |
| 食盐 NaCl | 0.23 |
| 磷酸氢钙 CaHPO4 | 1.00 |
| 石粉 Limestone | 8.50 |
| 预混料 Premix1) | 1.00 |
| 合计 Total | 100.00 |
| 营养水平 Nutrient levels2) | |
| 代谢能 ME/(MJ/kg) | 11.63 |
| 粗蛋白质 CP | 19.70 |
| 蛋氨酸 Met | 0.50 |
| 赖氨酸 Lys | 1.14 |
| 苏氨酸 Thr | 0.77 |
| 色氨酸 Try | 0.22 |
| 钙 Ca | 3.57 |
| 非植酸磷 NPP | 0.32 |
1)预混料为每千克饲粮提供 The premix provided the following per kg of the diet:VA 11 550 IU,VD3 2 800 IU,VE 17.5 mg,VK3 1.75 mg,VB1 1.75 mg,VB2 3.5 mg,VB6 5.25 mg,VB12 0.175 mg,生物素 biotin 0.14 mg,叶酸 folic acid 0.53 mg,泛酸 pantothenic acid 10.5 mg,烟酸 nicotinic acid 35 mg,Mn (as manganese sulfate) 120 mg,Fe (as ferrous sulfate) 60 mg,Cu (as copper sulfate) 15 mg,Zn (as zinc sulfate) 100 mg,I (as potassium iodide) 1.5 mg,Se (as sodium selenite) 0.4 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 生产性能
1.4.2 养分表观代谢率
1.4.3 血清生化指标
1.5 数据处理与分析
2 结果
2.1 饲粮添加BA对16~23周龄日本蛋鹌鹑生产性能的影响
表2 饲粮添加BA对16~23周龄日本蛋鹌鹑生产性能的影响Table 2 Effects of dietary BA on performance of laying Japanese quails from 16 to 23 weeks of age |
| 项目 Items | 对照组 Control group | BA1组 BA1 group | BA2组 BA2 group | BA3组 BA3 group | 均值标准误 SEM | P值 P-value |
|---|---|---|---|---|---|---|
| 平均蛋重 Average egg weight/(g/个) | 11.11 | 11.28 | 11.06 | 10.97 | 0.052 | 0.201 |
| 产蛋率 Laying rate/% | 86.94b | 89.29ab | 91.02a | 87.87ab | 0.424 | 0.027 |
| 平均日采食量 ADFI/(g/d) | 22.61 | 21.92 | 21.94 | 21.75 | 0.174 | 0.307 |
| 料蛋比 Feed/egg | 2.36a | 2.30a | 2.19b | 2.28ab | 0.019 | 0.029 |
同行数据肩标无字母或相同小写字母表示差异不显著(P>0.05),不同小写字母表示差异显著趋势(P<0.05),不同大写字母表示差异极显著(P<0.01)。下表同。 | |
In the same row, values with no letter or the same small letter superscripts mean no significant difference (P>0.05), while with different small letter superscripts mean significant difference (P<0.05), and with different capital letter superscripts mean extremely significant difference (P<0.01). The same as below. |
2.2 饲粮添加BA对日本蛋鹌鹑养分表观代谢率的影响
表3 饲粮添加BA对日本蛋鹌鹑养分表观代谢率的影响Table 3 Effects of dietary BA on nutrient apparent metabolic rates of laying Japanese quails% |
| 项目 Items | 对照组 Control group | BA1组 BA1 group | BA2组 BA2 group | BA3组 BA3 group | 均值标准误 SEM | P值 P-value |
|---|---|---|---|---|---|---|
| 干物质 DM | 78.52b | 85.73a | 81.93ab | 83.00ab | 0.890 | 0.025 |
| 粗蛋白质 CP | 58.67Bb | 78.27Aa | 72.61Aa | 74.49Aa | 1.920 | <0.001 |
| 粗纤维 CF | 63.41 | 62.48 | 61.69 | 59.82 | 0.850 | 0.975 |
| 总能 GE | 85.18b | 90.20a | 87.67ab | 88.12ab | 0.610 | 0.023 |
2.3 饲粮添加BA对日本蛋鹌鹑血清生化指标的影响
表4 饲粮添加BA对日本蛋鹌鹑血清生化指标的影响Table 4 Effects of dietary BA on serum biochemical indices of laying Japanese quails |
| 项目 Items | 对照组 Control group | BA1组 BA1 group | BA2组 BA2 group | BA3组 BA3 group | 均值标准误 SEM | P值 P-value |
|---|---|---|---|---|---|---|
| 总蛋白 TP/(g/L) | 37.34 | 39.30 | 34.53 | 38.13 | 0.846 | 0.236 |
| 白蛋白 ALB/(g/L) | 13.46 | 12.41 | 11.77 | 11.47 | 0.296 | 0.073 |
| 球蛋白 GLO/(g/L) | 23.89 | 26.89 | 22.77 | 26.66 | 0.738 | 0.117 |
| 白球比 A/G | 0.58a | 0.41b | 0.53ab | 0.43b | 0.020 | 0.022 |
| 葡萄糖 GLU/(mmol/L) | 17.34 | 15.61 | 16.17 | 15.29 | 0.478 | 0.451 |
| 谷丙转氨酶 ALT/(U/L) | 6.06 | 6.09 | 5.72 | 7.09 | 0.359 | 0.686 |
| 谷草转氨酶 AST/(U/L) | 369.04a | 278.44b | 270.94b | 265.11b | 13.940 | 0.014 |
| 碱性磷酸酶 ALP/(U/L) | 652.35 | 541.12 | 467.33 | 541.77 | 33.430 | 0.339 |
| 乳酸脱氢酶 LDH/(U/L) | 518.35 | 372.05 | 473.63 | 512.33 | 30.413 | 0.307 |

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