1 材料与方法
1.1 试验设计
表1 菊花粕常规营养成分Table 1 Conventional nutritional components of chrysanthemum meal % |
| 项目Items | 含量Content | 项目Items | 含量Content | |
|---|---|---|---|---|
| 表观代谢能AME/(MJ/kg) | 5.07 | 蛋氨酸Met | 0.09 | |
| 粗蛋白质CP | 10.49 | 异亮氨酸Ile | 0.30 | |
| 粗纤维CF | 28.86 | 亮氨酸Leu | 0.51 | |
| 天冬氨酸Asp | 0.60 | 酪氨酸Tyr | 0.19 | |
| 苏氨酸Thr | 0.31 | 苯丙氨酸Phe | 0.31 | |
| 丝氨酸Ser | 0.34 | 赖氨酸Lys | 0.47 | |
| 谷氨酸Glu | 0.78 | 脯氨酸Pro | 0.35 | |
| 甘氨酸Gly | 0.57 | 组氨酸His | 0.12 | |
| 丙氨酸Ala | 0.50 | 精氨酸Arg | 0.23 | |
| 缬氨酸Val | 0.33 |
表观代谢能为计算值,其他为实测值。 | |
AME was a calculated value, while the others were measured values. |
表2 试验饲粮组成及营养水平(风干基础)Table 2 Composition and nutrient levels of experimental diets (air-dry basis) % |
| 项目 Items | 菊花粕添加水平Chrysanthemum meal supplemental levels/% | |||
|---|---|---|---|---|
| 0 | 2 | 4 | 6 | |
| 原料Ingredients | ||||
| 高粱Sorghum (8.5% CP) | 40.00 | 40.00 | 40.00 | 40.00 |
| 小麦Wheat (11% CP) | 17.75 | 17.16 | 16.56 | 15.96 |
| 葵仁粕Sunflower seed cake | 20.00 | 20.00 | 20.00 | 20.00 |
| 大豆粕Soybean meal | 8.33 | 8.06 | 7.80 | 7.54 |
| 菊花粕Chrysanthemum meal | 2.00 | 4.00 | 6.00 | |
| 膨润土Bentonite | 3.20 | 2.07 | 0.93 | |
| L-赖氨酸硫酸盐L-Lys·H2SO4 | 0.45 | 0.45 | 0.44 | 0.44 |
| DL-蛋氨酸DL-Met | 0.12 | 0.12 | 0.12 | 0.12 |
| 苏氨酸Thr | 0.09 | 0.08 | 0.08 | 0.08 |
| 石粉Limestone | 9.00 | 9.00 | 9.00 | 8.80 |
| 磷酸氢钙CaHPO4 | 0.48 | 0.48 | 0.49 | 0.49 |
| 氯化钠NaCl | 0.30 | 0.30 | 0.30 | 0.30 |
| 母力加Mulijia1) | 0.02 | 0.02 | 0.02 | 0.02 |
| 多矿Multi-minerals1) | 0.10 | 0.10 | 0.10 | 0.10 |
| 多维Multi-vitamins1) | 0.01 | 0.01 | 0.01 | 0.01 |
| 植酸酶Phytase1) | 0.02 | 0.02 | 0.02 | 0.02 |
| 黄粉Yellow powder | 0.13 | 0.13 | 0.13 | 0.12 |
| 合计Total | 100.00 | 100.00 | 100.00 | 100.00 |
| 营养水平Nutrient levels2) | ||||
| 代谢能ME/(MJ/kg) | 10.46 | 10.46 | 10.46 | 10.46 |
| 粗蛋白质CP | 16.32 | 16.08 | 16.56 | 16.20 |
| 粗脂肪EE | 2.15 | 1.73 | 1.58 | 1.72 |
| 粗纤维CF | 5.93 | 7.38 | 7.51 | 7.81 |
| 水分Moisture | 11.52 | 11.68 | 12.02 | 12.46 |
| 粗灰分Ash | 13.98 | 13.38 | 12.93 | 12.44 |
| 总磷TP | 0.31 | 0.31 | 0.33 | 0.32 |
| 钙Ca | 3.40 | 3.37 | 3.52 | 3.59 |
1)母力加、多矿、多维和植酸酶由广州希望饲料有限公司提供。Mulijia, multi-minerals, multi-vitamins and phytase were provided by Guangzhou Hope Feed Co., Ltd.. 母力加、多矿和多维为每千克饲粮提供 The Mulijia, multi-minerals and multi-vitamins provided the following per kg of diets:大豆异黄酮 soy isoflavones 0.02 g,VA 12 000 IU,VD3 2 000 IU,VE 26 mg,VK3 1.0 mg,VB1 3.0 mg,VB2 9.6 mg,VB6 6.0 mg,VB12 0.03 mg,氯化胆碱 choline chloride 500 mg,泛酸钙 calcium pantothenate 28.5 mg,叶酸 folic acid 0.6 mg,烟酸 nicotinic acid 50 mg,生物素 biotin 0.15 mg,Fe 50 mg,Cu 10 mg,Mn 90 mg,Zn 90 mg,I 0.50 mg,Se 0.40 mg。 2)代谢能为计算值,参照《肉鸭饲养标准》(NY/T 2122—2012),其余为实测值。ME was a calculated value, based on Feeding Standard of Meat Duck (NY/T 2122—2012), while the others were measured values. |
1.2 指标测定
1.2.1 菊花粕和饲粮营养成分
1.2.2 产蛋性能
1.2.3 蛋品质
1.2.4 血浆生化、抗氧化和脂类代谢指标
1.3 数据分析
2 结果
2.1 菊花粕对蛋鸭产蛋性能的影响
表3 菊花粕对蛋鸭产蛋性能的影响Table 3 Effects of chrysanthemum meal on laying performance of laying ducks |
| 项目 Items | 菊花粕添加水平 Chrysanthemum meal supplemental levels/% | SEM | P值 P-value | |||
|---|---|---|---|---|---|---|
| 0(对照组 Control group) | 2 | 4 | 6 | |||
| 第1~4周Weeks 1 to 4 | ||||||
| 产蛋率Laying rate/% | 79.68 | 80.61 | 78.60 | 80.14 | 1.55 | 0.82 |
| 平均蛋重Average egg weight/g | 69.74 | 69.89 | 69.76 | 70.03 | 0.45 | 0.97 |
| 平均日采食量Average daily feed intake/g | 174.89 | 175.90 | 177.08 | 177.29 | 0.87 | 0.21 |
| 日产蛋重Daily egg weight/(g/d) | 55.70 | 56.36 | 54.90 | 56.18 | 1.29 | 0.86 |
| 料蛋比Feed to egg | 3.19 | 3.15 | 3.28 | 3.22 | 0.06 | 0.52 |
| 第5~8周Weeks 5 to 8 | ||||||
| 产蛋率Laying rate/% | 89.58 | 89.24 | 88.99 | 89.78 | 1.21 | 0.97 |
| 平均蛋重Average egg weight/g | 71.34 | 71.09 | 70.98 | 71.86 | 0.53 | 0.66 |
| 平均日采食量Average daily feed intake/g | 168.04b | 175.27ab | 178.93a | 180.34a | 2.79 | 0.02 |
| 日产蛋重Daily egg weight/(g/d) | 63.88 | 63.43 | 63.16 | 64.49 | 0.88 | 0.73 |
| 料蛋比Feed to egg | 2.65b | 2.72b | 2.85a | 2.84a | 0.03 | <0.01 |
| 第9~12周Weeks 9 to 12 | ||||||
| 产蛋率Laying rate/% | 86.11 | 87.76 | 88.36 | 87.76 | 1.86 | 0.85 |
| 平均蛋重Average egg weight/g | 70.65 | 70.13 | 70.42 | 70.78 | 0.68 | 0.91 |
| 平均日采食量Average daily feed intake/g | 161.13b | 169.13a | 171.25a | 170.42a | 2.04 | 0.01 |
| 日产蛋重Daily egg weight/(g/d) | 60.87 | 61.57 | 62.24 | 62.11 | 1.48 | 0.91 |
| 料蛋比Feed to egg | 2.70 | 2.75 | 2.78 | 2.86 | 0.06 | 0.32 |
| 第1~12周Weeks 1 to 12 | ||||||
| 产蛋率Laying rate/% | 85.27 | 85.86 | 85.27 | 86.09 | 0.38 | 0.93 |
| 平均蛋重Average egg weight/g | 70.72 | 70.49 | 70.48 | 70.99 | 0.49 | 0.87 |
| 平均日采食量Average daily feed intake/g | 168.85b | 174.03a | 176.41a | 176.78a | 1.70 | 0.01 |
| 日产蛋重Daily egg weight/(g/d) | 60.33 | 60.54 | 60.14 | 61.15 | 0.89 | 0.87 |
| 料蛋比Feed to egg | 2.84b | 2.88ab | 2.97a | 2.96a | 0.04 | 0.04 |
同行数据肩标不同小写字母表示差异显著(P<0.05),相同或无字母表示差异不显著(P>0.05)。下表同。 | |
In the same row, values with different small letter superscripts mean significant difference (P<0.05), while with the same or no letter superscripts mean no significant difference (P>0.05). The same as below. |
2.2 菊花粕对蛋鸭蛋品质的影响
表4 菊花粕对蛋鸭蛋品质的影响Table 4 Effects of chrysanthemum meal on egg quality for laying ducks |
| 项目 Items | 菊花粕添加水平 Chrysanthemum meal supplemental levels/% | SEM | P值 P-value | |||
|---|---|---|---|---|---|---|
| 0(对照组 Control group) | 2 | 4 | 6 | |||
| 蛋白高度Albumen height/mm | 7.11 | 7.21 | 7.33 | 7.22 | 0.01 | 0.64 |
| 蛋黄色泽度Yolk color | 1.04c | 1.08c | 2.04b | 2.46a | 0.01 | <0.01 |
| 哈氏单位Haugh unit | 81.04 | 81.95 | 82.87 | 82.25 | 0.63 | 0.45 |
| 蛋壳强度Eggshell strength/N | 41.97a | 39.27ab | 37.93ab | 34.63b | 2.75 | 0.04 |
| 蛋黄重Yolk weight/g | 23.29 | 22.12 | 22.09 | 22.44 | 0.12 | 0.08 |
| 蛋黄比例Yolk ratio/% | 0.32 | 0.32 | 0.28 | 0.31 | 0.00 | 0.33 |
| 蛋壳重Eggshell weight/g | 6.47a | 6.44a | 6.37a | 6.08b | 0.01 | 0.03 |
| 蛋壳比例Eggshell ratio/% | 0.09 | 0.09 | 0.09 | 0.09 | 0.00 | 0.28 |
| 蛋白重Albumen weight/g | 41.08 | 41.05 | 43.60 | 41.77 | 1.24 | 0.35 |
| 蛋白比例Albumen ratio/% | 0.56 | 0.59 | 0.63 | 0.55 | 0.00 | 0.09 |
| 蛋黄总胆固醇Yolk T-CHO/(mmol/g) | 28.74b | 29.41b | 30.85ab | 32.53a | 0.72 | 0.03 |
| 蛋黄甘油三酯Yolk TG/(mmol/g) | 13.34 | 15.65 | 15.26 | 15.76 | 0.72 | 0.08 |
| 蛋黄丙二醛Yolk MDA/(nmol/mL) | 58.04 | 66.12 | 53.22 | 62.65 | 5.81 | 0.43 |
2.3 菊花粕对产蛋期蛋鸭血浆生化、抗氧化和脂类代谢指标的影响
表5 菊花粕对产蛋期蛋鸭血浆生化、抗氧化和脂类代谢指标的影响Table 5 Effects of chrysanthemum meal on plasma biochemical, antioxidant and lipid metabolism indices of laying ducks |
| 项目 Items | 菊花粕添加水平 Chrysanthemum meal supplemental levels/% | SEM | P值 P-value | |||
|---|---|---|---|---|---|---|
| 0(对照组 Control group) | 2 | 4 | 6 | |||
| 谷胱甘肽过氧化物酶GSH-Px/(U/mL) | 429.72b | 522.23ab | 496.09ab | 540.34a | 28.18 | 0.04 |
| 总抗氧化能力T-AOC/(U/mL) | 6.97a | 5.64ab | 6.33a | 4.35b | 0.65 | 0.04 |
| 丙二醛MDA/(nmol/mL) | 9.36b | 8.79b | 12.59a | 12.66a | 1.04 | 0.01 |
| 超氧化物歧化酶SOD/(U/mL) | 112.92 | 109.17 | 101.10 | 114.98 | 6.01 | 0.39 |
| 尿酸UA/(μmol/L) | 2 524.97 | 2 129.15 | 2 537.51 | 1 952.15 | 239.43 | 0.23 |
| 葡萄糖GLU/(mmol/L) | 16.94 | 15.15 | 15.90 | 14.62 | 0.88 | 0.28 |
| 白蛋白ALB/(g/L) | 22.63 | 21.66 | 21.50 | 21.35 | 0.57 | 0.40 |
| 碱性磷酸酶AKP/(金氏单位/dL) | 13.95 | 12.69 | 10.49 | 9.32 | 2.11 | 0.41 |
| 谷丙转氨酶ALT/(U/L) | 41.68 | 47.81 | 42.89 | 45.72 | 3.24 | 0.54 |
| 谷草转氨酶AST/(U/L) | 179.86 | 124.81 | 177.10 | 96.80 | 25.76 | 0.07 |
| 甘油三酯TG/(mmol/L) | 11.48 | 10.01 | 11.49 | 9.01 | 1.08 | 0.30 |
| 总胆固醇T-CHO/(mmol/L) | 2.93 | 2.91 | 3.04 | 2.83 | 0.22 | 0.93 |
| 高密度脂蛋白HDL/(mmol/L) | 1.11 | 1.23 | 1.26 | 1.23 | 0.06 | 0.33 |
| 低密度脂蛋白LDL/(mmol/L) | 0.38 | 0.38 | 0.40 | 0.37 | 0.03 | 0.94 |

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