1 材料与方法
1.1 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 | 61.50 |
| 豆粕 Soybean meal | 26.19 |
| 豆油 Soybean oil | 1.05 |
| 石粉 Limestone | 7.86 |
| 鱼粉 Fish meal | 0.10 |
| 食盐 NaCl | 0.30 |
| 预混料 Premix1) | 3.00 |
| 合计 Total | 100.00 |
| 营养水平 Nutrient levels2) | |
| 干物质 DM | 92.59 |
| 代谢能 ME/(MJ/kg) | 12.22 |
| 粗蛋白质 CP | 16.26 |
| 钙 Ca | 3.23 |
| 总磷 TP | 0.45 |
| 有效磷 AP | 0.19 |
| 赖氨酸 Lys | 0.87 |
| 蛋氨酸 Met | 0.42 |
| 蛋氨酸+胱氨酸 Met+Cys | 0.71 |
1)每千克预混料提供Provided the following per kg of premix:Cu 200 mg,Fe 1 200 mg,Mn 1 300 mg,Zn 1 400 mg,VE 450 IU,VA 160 000 IU,VD3 40 000 IU,VK3 30 mg,烟酰胺 niacinamide 600 mg,D-泛酸钙 D-calcium pantothenate 260 mg,D-生物素 D-biotin 1.7 mg,VB2 70 mg,VB6 60 mg,叶酸 folic acid 17 mg,蛋氨酸 Met 25 g。 2)粗蛋白质、钙、总磷及氨基酸为实测值,其余为计算值。CP, Ca, TP and amino acids were measured values, while the others were calculated values. |
1.2 饲养管理
1.3 测定指标及方法
1.3.1 饲粮营养成分测定
1.3.2 生长性能相关指标测定
ADFI(g/d)=累积干物质采食量/(试验鸡只数×饲养天数);
ANG(g)=FBW-IBW;
ADG(g/d)=ANG/(试验鸡只数×饲养天数);
F/G=ADFI/ADG。
1.3.3 血浆生化指标测定
1.3.4 肌肉营养成分与物性参数测定
1.3.5 肌肉氨基酸和脂肪酸组成测定
1.4 数据统计与分析
2 结果
2.1 紫玉米花青素对赤水乌骨鸡生长性能的影响
表2 紫玉米花青素对赤水乌骨鸡生长性能的影响Table 2 Effects of purple corn anthocyanin on growth performance of Chishui black-bone chickens |
| 项目 Items | 紫玉米花青素添加量 Purple corn anthocyanin additive amount/(mg/kg) | 均值标准误 SEM | P值 P-value | |||
|---|---|---|---|---|---|---|
| 0 | 120 | 240 | 360 | |||
| 平均日采食量 ADFI/(g/d) | 98 | 98 | 97 | 98 | 0.752 9 | 0.161 7 |
| 初始体重 IBW/g | 1 681.60 | 1 695.79 | 1 766.43 | 1 765.15 | 24.869 6 | 0.153 2 |
| 终末体重 FBW/g | 1 974.26b | 1 985.69b | 2 116.88a | 2 083.44a | 30.119 3 | 0.006 2 |
| 平均净增重 ANG/g | 292.67b | 289.91b | 350.45a | 318.29ab | 17.576 2 | 0.042 6 |
| 平均日增重 ADG/(g/d) | 3.95b | 3.92b | 4.74a | 4.30ab | 0.237 5 | 0.042 6 |
| 料重比 F/G | 25.23a | 25.02a | 20.72b | 22.59ab | 1.028 6 | 0.025 6 |
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 紫玉米花青素对赤水乌骨鸡血浆生化指标的影响
表3 紫玉米花青素对赤水乌骨鸡血浆生化指标的影响Table 3 Effects of purple corn anthocyanin on plasma biochemical indexes of Chishui black-bone chickens |
| 项目 Items | 紫玉米花青素添加量 Purple corn anthocyanin additive amount/(mg/kg) | 均值标准误 SEM | P值 P-value | ||||
|---|---|---|---|---|---|---|---|
| 0 | 120 | 240 | 360 | ||||
| 第20天 Day 20 | |||||||
| 总胆红素 TBIL/(μmol/L) | 29.78 | 24.48 | 22.06 | 24.26 | 3.114 8 | 0.980 0 | |
| 肌酐 CRE/(μmol/L) | 66.90 | 77.44 | 69.04 | 75.00 | 18.225 9 | 0.980 9 | |
| 尿酸 UA/(mg/L) | 59.83 | 60.69 | 60.85 | 55.24 | 3.169 4 | 0.558 7 | |
| 葡萄糖 GLU/(mmol/L) | 11.03 | 12.2 | 12.07 | 13.52 | 1.086 8 | 0.457 8 | |
| 谷丙转氨酶 ALT/(U/L) | 83.35c | 86.33bc | 88.88ab | 91.70a | 1.565 2 | 0.002 4 | |
| 谷草转氨酶 AST/(U/L) | 68.95 | 71.95 | 71.18 | 67.91 | 3.401 8 | 0.820 6 | |
| 总蛋白 TP/(g/L) | 52.40 | 53.79 | 54.32 | 50.52 | 2.904 3 | 0.835 5 | |
| 白蛋白 ALB/(g/L) | 19.38 | 19.30 | 19.53 | 18.63 | 1.677 4 | 0.982 3 | |
| 第40天 Day 40 | |||||||
| 总胆红素 TBIL/(μmol/L) | 25.37 | 23.99 | 21.84 | 19.85 | 8.606 9 | 0.987 6 | |
| 肌酐 CRE/(μmol/L) | 56.66 | 61.40 | 59.18 | 45.43 | 12.871 8 | 0.834 5 | |
| 尿酸 UA/(mg/L) | 56.59b | 59.38ab | 66.22ab | 69.98a | 3.641 0 | 0.048 3 | |
| 葡萄糖 GLU/(mmol/L) | 11.52 | 11.48 | 11.62 | 12.28 | 0.991 2 | 0.932 2 | |
| 谷丙转氨酶 ALT/(U/L) | 73.85ab | 75.73a | 73.81ab | 72.23b | 1.136 2 | 0.039 5 | |
| 谷草转氨酶 AST/(U/L) | 76.32 | 83.24 | 80.53 | 80.60 | 2.476 8 | 0.268 3 | |
| 总蛋白 TP/(g/L) | 55.87 | 53.32 | 57.02 | 57.90 | 2.481 2 | 0.669 4 | |
| 白蛋白 ALB/(g/L) | 22.73 | 18.79 | 22.93 | 20.39 | 1.470 3 | 0.166 4 | |
| 第60天 Day 60 | |||||||
| 总胆红素 TBIL/(μmol/L) | 21.18a | 17.20b | 16.58b | 16.54b | 0.525 1 | 0.030 9 | |
| 肌酐 CRE/(μmol/L) | 96.77a | 54.56b | 61.37b | 61.57b | 0.491 2 | 0.032 2 | |
| 尿酸 UA/(mg/L) | 60.57 | 59.13 | 53.11 | 59.05 | 2.948 8 | 0.300 1 | |
| 葡萄糖 GLU/(mmol/L) | 18.68 | 17.71 | 21.62 | 17.89 | 2.120 1 | 0.540 4 | |
| 谷丙转氨酶 ALT/(U/L) | 75.55ab | 74.42ab | 74.15b | 76.62a | 0.771 2 | 0.048 4 | |
| 谷草转氨酶 AST/(U/L) | 41.16b | 40.72b | 50.41ab | 60.58a | 3.977 0 | 0.001 5 | |
| 总蛋白 TP/(g/L) | 56.97 | 62.26 | 55.31 | 54.45 | 2.780 9 | 0.261 7 | |
| 白蛋白 ALB/(g/L) | 19.84ab | 21.60a | 22.30a | 15.94b | 1.440 2 | 0.026 5 | |
2.3 紫玉米花青素对赤水乌骨鸡肌肉营养成分及物性参数的影响
表4 紫玉米花青素对赤水乌骨鸡肌肉营养成分及物性参数的影响Table 4 Effects of purple corn anthocyanin on muscle nutritional components and physical characteristics parameters of Chishui black-bone chickens |
| 项目 Items | 紫玉米花青素添加量 Purple corn anthocyanin additive amount/(mg/kg) | 均值标准误 SEM | P值 P-value | |||
|---|---|---|---|---|---|---|
| 0 | 120 | 240 | 360 | |||
| 水分 Moisture/% | 67.36 | 68.74 | 68.60 | 68.58 | 0.684 2 | 0.489 6 |
| 粗蛋白质 CP/% | 21.47 | 21.71 | 21.68 | 21.49 | 0.644 5 | 0.990 0 |
| 粗脂肪 EE/% | 3.49 | 3.65 | 3.42 | 3.36 | 0.162 4 | 0.624 3 |
| 粗灰分 Ash/% | 4.70 | 4.44 | 4.81 | 4.66 | 0.208 6 | 0.671 3 |
| pH45 min | 6.02 | 5.93 | 6.04 | 5.57 | 0.127 9 | 0.155 1 |
| pH24 h | 5.89 | 5.95 | 5.90 | 5.81 | 0.039 6 | 0.216 1 |
| 89.21 | 89.38 | 90.00 | 86.64 | 0.901 1 | 0.212 6 | |
| 88.23 | 89.25 | 90.00 | 86.03 | 1.284 6 | 0.282 3 | |
| 失水率 Water loss rate/% | 23.76a | 11.42b | 13.44b | 13.23b | 1.313 1 | 0.001 0 |
| 滴水损失率 Drip loss rate/% | 11.70 | 13.42 | 13.33 | 12.50 | 1.017 5 | 0.650 8 |
2.4 紫玉米花青素对赤水乌骨鸡肌肉氨基酸组成的影响
表5 紫玉米花青素对赤水乌骨鸡肌肉氨基酸组成的影响Table 5 Effects of purple corn anthocyanin on muscle amino acid composition of Chishui black-bone chickens % |
| 项目 Items | 紫玉米花青素添加量 Purple corn anthocyanin additive amount/(mg/kg) | 均值标准误 SEM | P值 P-value | |||
|---|---|---|---|---|---|---|
| 0 | 120 | 240 | 360 | |||
| 天冬氨酸 Asp | 7.515b | 7.527b | 8.168a | 8.112a | 0.044 3 | <0.000 1 |
| 苏氨酸 Thr | 3.549b | 3.552b | 3.844a | 3.887a | 0.020 5 | <0.000 1 |
| 丝氨酸 Ser | 2.852c | 2.825c | 3.025b | 3.345a | 0.019 2 | <0.000 1 |
| 谷氨酸 Glu | 11.747c | 11.885c | 12.685b | 13.225a | 0.072 1 | <0.000 1 |
| 甘氨酸 Gly | 3.298b | 3.352b | 3.604a | 3.644a | 0.021 4 | <0.000 1 |
| 丙氨酸 Ala | 4.449b | 4.486b | 4.874a | 4.897a | 0.031 2 | <0.000 1 |
| 缬氨酸 Val | 3.990c | 3.969c | 4.364a | 4.253b | 0.025 1 | <0.000 1 |
| 蛋氨酸 Met | 2.028c | 2.067c | 2.457a | 2.368b | 0.014 0 | <0.000 1 |
| 异亮氨酸 Ile | 3.715b | 3.704b | 4.046a | 4.016a | 0.024 6 | <0.000 1 |
| 亮氨酸 Leu | 6.211b | 6.258b | 6.798a | 6.742a | 0.039 3 | <0.000 1 |
| 酪氨酸 Tyr | 2.798b | 2.797b | 3.066a | 3.015a | 0.017 5 | <0.000 1 |
| 苯丙氨酸 Phe | 3.949c | 3.941c | 4.359a | 4.265b | 0.024 4 | <0.000 1 |
| 组氨酸 His | 3.517c | 3.475c | 4.118a | 3.626b | 0.023 2 | <0.000 1 |
| 赖氨酸 Lys | 7.058b | 7.101b | 7.675a | 7.646a | 0.043 9 | <0.000 1 |
| 精氨酸 Arg | 5.038b | 5.041b | 5.472a | 5.444a | 0.030 2 | <0.000 1 |
| 脯氨酸 Pro | 2.652c | 2.637c | 3.041a | 2.909b | 0.034 4 | <0.000 1 |
| 必需氨基酸 EAA | 30.500b | 30.592b | 33.544a | 33.177a | 0.190 3 | <0.000 1 |
| 鲜味氨基酸 UAA | 33.756c | 33.988c | 36.756b | 37.160a | 0.209 3 | <0.000 1 |
必需氨基酸=缬氨酸+苏氨酸+异亮氨酸+亮氨酸+赖氨酸+蛋氨酸+苯丙氨酸,鲜味氨基酸=甘氨酸+丙氨酸+天冬氨酸+谷氨酸+苯丙氨酸+酪氨酸。 | |
EAA=Val+Thr+Ile+Leu+Lys+Met+Phe, and UAA=Gly+Ala+Asp+Glu+Phe+Tyr. |
2.5 紫玉米花青素对赤水乌骨鸡肌肉脂肪酸组成的影响
表6 紫玉米花青素对赤水乌骨鸡肌肉脂肪酸组成的影响Table 6 Effects of purple corn anthocyanin on muscle fatty acid composition of Chishui black-bone chickens % |
| 项目 Items | 紫玉米花青素添加量 Purple corn anthocyanin additive amount/(mg/kg) | 均值标准误 SEM | P值 P-value | ||||
|---|---|---|---|---|---|---|---|
| 0 | 120 | 240 | 360 | ||||
| 饱和脂肪酸 SFA | |||||||
| C12∶0 | 0.035d | 0.042b | 0.056a | 0.039c | 0.000 9 | <0.000 1 | |
| C14∶0 | 0.770d | 0.861b | 0.980a | 0.828c | 0.001 3 | <0.000 1 | |
| C15∶0 | 0.089c | 0.096a | 0.092b | 0.086d | 0.000 4 | <0.000 1 | |
| C16∶0 | 25.824d | 27.061c | 28.438a | 27.082b | 0.004 4 | <0.000 1 | |
| C17∶0 | 0.021b | 0.077a | 0.069a | 0.071a | 0.003 1 | <0.000 1 | |
| C18∶0 | 6.989d | 7.793b | 7.641c | 8.090a | 0.004 0 | <0.000 1 | |
| C20∶0 | 0.073b | 0.073ab | 0.066c | 0.076a | 0.000 9 | 0.000 2 | |
| C22∶0 | 0.031d | 0.060c | 0.063b | 0.069a | 0.000 6 | <0.000 1 | |
| 单不饱和脂肪酸 MUFA | |||||||
| C14∶1 | 0.119b | 0.125a | 0.119b | 0.128a | 0.0012 | 0.001 5 | |
| C16∶1 | 3.886d | 4.178b | 3.915c | 4.260a | 0.005 0 | <0.000 1 | |
| C18∶1n9t | 0.151c | 0.157b | 0.159b | 0.169a | 0.001 1 | <0.000 1 | |
| C18∶1n9c | 40.269a | 37.875d | 37.957c | 39.219b | 0.007 5 | <0.000 1 | |
| C20∶1n9 | 0.02 | 0.115 | 0.038 | 0.033 | 0.033 8 | 0.255 1 | |
| 多不饱和脂肪酸 PUFA | |||||||
| C18∶2n6t | 0.065 | 0.055 | 0.054 | 0.051 | 0.004 4 | 0.202 5 | |
| C18∶2n6c | 20.021a | 19.142b | 17.930c | 17.533d | 0.007 1 | <0.000 1 | |
| C18∶3n6 | 0.264 | 0.196 | 0.258 | 0.271 | 0.039 9 | 0.556 4 | |
| C18∶3n3 | 0.747a | 0.676b | 0.749a | 0.641c | 0.001 2 | <0.000 1 | |
| C20∶2n6 | 0.010d | 0.134a | 0.131b | 0.128c | 0.000 8 | <0.000 1 | |
| C20∶3n6 | 0.049c | 0.083a | 0.086a | 0.074b | 0.001 5 | 0.007 4 | |
| C20∶4n6 | 0.450d | 1.033a | 1.017b | 0.966c | 0.001 1 | <0.000 1 | |
| C22∶5n3 | 0.024c | 0.057b | 0.074a | 0.074a | 0.001 5 | <0.000 1 | |
| C22∶6n3 | 0.053b | 0.108a | 0.109a | 0.112a | 0.001 3 | <0.000 1 | |

京公网安备 11010802041926号