1 材料与方法
1.1 试验材料
1.2 试验设计与饲养管理
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 | 47.00 | ||
| 花生秧Peanut vine | 12.00 | ||
| 苜蓿干草Alfalfa hay | 6.00 | ||
| 豆粕Soybean meal | 9.00 | ||
| 麸皮Bran | 7.00 | ||
| 酵母Yeast | 3.00 | ||
| 酒糟Distiller’s grains | 4.00 | ||
| 预混料Premix1) | 8.00 | ||
| 碳酸氢钠NaHCO3 | 1.00 | ||
| 石粉Limestone | 2.00 | ||
| 食盐NaCl | 1.00 | ||
| 合计Total | 100.00 | ||
| 营养水平Nutrient levels2) | |||
| 代谢能ME/(MJ/kg) | 12.47 | ||
| 粗蛋白质CP | 16.72 | ||
| 中性洗涤纤维NDF | 23.69 | ||
| 酸性洗涤纤维ADF | 13.12 | ||
| 钙Ca | 0.51 | ||
| 磷P | 0.32 |
1)每千克预混料含有 One kilogram of premix contained the following:Zn 2 700 mg,Cu 350 mg,I 90 mg,Mn 1 750 mg,VA 180 000 IU,VD3 88 000 IU,VE 5 000 IU。 2)代谢能为根据《肉羊营养需要量》(NY/T 816—2021)所得计算值,其余为实测值。ME was a calculated value according to Nutrient Requirements of Meat-Type Sheep and Goat (NY/T 816—2021), while the others were measured values. |
1.3 样品采集与指标测定
1.3.1 苦参提取物有效成分
表2 流动相梯度洗脱程序Table 2 Gradient elution procedure of mobile phase % |
| 时间 Time/min | 流动相A Mobile phase A | 流动相B Mobile phase B |
|---|---|---|
| 0 | 90 | 10 |
| 10.0 | 0 | 100 |
| 15.0 | 0 | 100 |
| 17.1 | 90 | 10 |
| 20.0 | 90 | 10 |
1.3.2 生长性能
1.3.3 养分表观消化率
1.3.4 血清指标
1.3.5 腹泻率
1.4 数据统计与分析
2 结果与分析
2.1 苦参提取物有效成分分析
图1 苦参提取物正离子模式下基峰色谱图Fig.1 Base peak chromatogram of Sophora flavescens extract in positive ion mode |
图2 苦参提取物负离子模式下基峰色谱图Fig.2 Base peak chromatogram of Sophora flavescens extract in negative ion mode |
表3 苦参提取物主要有效成分Table 3 Main active ingredients of Sophora flavescens extract |
| 项目Items | 保留时间Retention time/min | 百分比Percentage/% |
|---|---|---|
| 氧化苦参碱Oxymatrine | 1.59 | 50.22 |
| 氧化槐果碱Oxysophocarpine | 1.31 | 12.54 |
| 丙酸Propionic acid | 1.58 | 7.22 |
| 苦参碱Matrine | 1.09 | 5.95 |
| 毛蕊异黄酮Calycosin | 7.32 | 3.04 |
| 油酸酰胺Oleamide | 16.60 | 1.84 |
| 9-羟基-10,12-十八碳二烯酸9-hydroxy-10,12-decadienoic acid | 13.01 | 1.46 |
| 金雀花碱Cytisine | 1.02 | 1.43 |
| 木犀草素4'-O-葡萄糖苷Luteolin 4'-O-glucoside | 6.12 | 1.35 |
| 染料木黄酮Genistein | 6.21 | 1.22 |
2.2 苦参提取物对育肥羊生长性能的影响
表4 苦参提取物对育肥羊生长性能的影响Table 4 Effects of Sophora flavescens extract on growth performance of fattening sheep |
| 项目 Items | A组 Group A | B组 Group B | C组 Group C | D组 Group D | E组 Group E | P值 P-value |
|---|---|---|---|---|---|---|
| 第1~24天Days 1 to 24 | ||||||
| 平均日增重ADG/g | 286.50±21.04c | 359.50±27.81ab | 372.00±39.62a | 372.50±42.06a | 320.50±41.77bc | 0.030 |
| 平均日采食量ADFI/kg | 1.45±0.14BCbc | 1.60±0.19Aa | 1.56±0.15ABa | 1.52±0.14ABCab | 1.41±0.10Cc | <0.001 |
| 料重比F/G | 5.08±0.40a | 4.47±0.34ab | 4.23±0.45b | 4.12±0.46b | 4.46±0.59ab | 0.029 |
| 第25~48天Days 25 to 48 | ||||||
| 平均日增重ADG/g | 338.75±37.98bc | 404.58±43.69a | 373.75±62.23ab | 374.17±7.88ab | 311.67±29.89c | 0.016 |
| 平均日采食量ADFI/kg | 1.75±0.06Cc | 2.01±0.08Aa | 1.83±0.09Bb | 1.86±0.08Bb | 1.72±0.11Cc | <0.001 |
| 料重比F/G | 5.21±0.51 | 5.02±0.61 | 5.02±0.90 | 4.97±0.11 | 5.56±0.54 | 0.509 |
| 第49~72天Days 49 to 72 | ||||||
| 平均日增重ADG/g | 278.21±23.60 | 317.14±33.16 | 304.29±35.55 | 319.64±30.98 | 333.21±15.60 | 0.066 |
| 平均日采食量ADFI/kg | 1.89±0.13Cd | 2.15±0.07Aa | 2.04±0.06Bb | 1.99±0.06Bc | 1.79±0.08De | <0.001 |
| 料重比F/G | 6.83±0.53Aa | 6.84±0.70Aa | 6.77±0.72Aa | 6.27±0.59ABa | 5.38±0.25Bb | 0.003 |
| 第1~72天Days 1 to 72 | ||||||
| 平均日增重ADG/g | 301.15±22.35Bb | 360.41±11.19Aa | 350.01±29.03Aa | 355.44±19.07Aa | 321.79±14.54ABb | <0.001 |
| 平均日采食量ADFI/kg | 1.72±0.21Cc | 1.95±0.26Aa | 1.83±0.22Bb | 1.82±0.21Bb | 1.65±0.19Cc | <0.001 |
| 料重比F/G | 5.71±0.40a | 5.41±0.17ab | 5.23±0.45b | 5.12±0.28b | 5.13±0.23b | 0.043 |
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(P<0.05),不同大写字母表示差异极显著(P<0.01)。下表同(表10除外)。 | |
In the same row, values with no letter or the same lowercase letter superscripts mean no significant difference (P>0.05), while with different lowercase 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 (except for Table 10). |
2.3 苦参提取物对育肥羊养分表观消化率的影响
表5 苦参提取物对育肥羊养分表观消化率的影响Table 5 Effects of Sophora flavescens extract on nutrient apparent digestibility of fattening sheep % |
| 项目 Items | A组 Group A | B组 Group B | C组 Group C | D组 Group D | E组 Group E | P值 P-value | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 总能GE | 74.12±0.89Bc | 77.56±0.73Ab | 79.89±0.65Aa | 80.34±0.58Aa | 77.21±0.78Ab | <0.001 | |||||||
| 干物质DM | 80.85±0.56Bc | 82.94±0.49ABb | 84.76±0.41Aa | 85.12±0.38Aa | 82.67±0.52ABb | <0.001 | |||||||
| 粗脂肪EE | 79.32±0.94Bc | 83.15±0.82Ab | 85.47±0.71Aa | 85.93±0.65Aa | 82.86±0.87Ab | <0.001 | |||||||
| 有机物OM | 82.03±0.62Bc | 84.36±0.55ABb | 86.18±0.48Aa | 86.54±0.43Aa | 84.09±0.60ABb | <0.001 | |||||||
| 粗蛋白质CP | 46.85±0.78Bc | 49.73±0.69ABb | 52.64±0.61Aa | 53.17±0.55Aa | 49.26±0.75ABb | <0.001 | |||||||
| 中性洗涤纤维NDF | 42.56±0.87Bc | 44.89±0.79ABb | 46.93±0.71Aa | 47.35±0.66Aa | 44.52±0.83ABb | 0.002 | |||||||
| 酸性洗涤纤维ADF | 38.24±0.75Bc | 40.57±0.68ABb | 42.71±0.60Aa | 43.16±0.54Aa | 40.23±0.72ABb | 0.003 | |||||||
| 粗灰分Ash | 47.42±0.81Bc | 49.65±0.74ABb | 51.83±0.66Aa | 52.27±0.61Aa | 49.31±0.78ABb | <0.001 | |||||||
| 钙Ca | 56.83±1.02Bc | 59.47±0.93ABb | 61.75±0.85Aa | 62.24±0.79Aa | 59.12±1.00ABb | 0.001 | |||||||
| 磷P | 58.76±1.13Bc | 61.32±1.04ABb | 63.68±0.95Aa | 64.15±0.89Aa | 60.97±1.10ABb | 0.001 |
2.4 苦参提取物对育肥羊血清免疫球蛋白含量的影响
表6 苦参提取物对育肥羊血清免疫球蛋白含量的影响Table 6 Effects of Sophora flavescens extract on serum immunoglobulin contents of fattening sheep g/L |
| 项目 Items | A组 Group A | B组 Group B | C组 Group C | D组 Group D | E组 Group E | P值 P-value |
|---|---|---|---|---|---|---|
| 第36天Day 36 | ||||||
| 免疫球蛋白A IgA | 7.56±0.11Cc | 8.89±0.30Aa | 8.30±0.22Bb | 9.20±0.58Aa | 7.62±0.18Cc | <0.001 |
| 免疫球蛋白G IgG | 17.25±1.20Bc | 20.89±1.50Aa | 18.07±1.80Bbc | 19.43±0.85ABb | 17.83±1.23Bbc | 0.003 |
| 免疫球蛋白M IgM | 14.49±1.00b | 15.79±1.28ab | 16.97±0.69a | 16.40±1.58a | 14.58±1.16b | 0.011 |
| 第72天Day 72 | ||||||
| 免疫球蛋白A IgA | 6.19±0.09Bc | 7.99±0.35Aa | 7.52±0.19Aab | 7.74±0.46Aab | 7.42±0.49Ab | <0.001 |
| 免疫球蛋白G IgG | 17.81±1.31 | 20.00±2.25 | 18.99±2.15 | 18.92±1.24 | 17.84±2.30 | 0.362 |
| 免疫球蛋白M IgM | 12.20±1.02b | 12.46±0.57b | 14.62±2.14a | 13.11±1.14ab | 12.61±0.78b | 0.045 |
2.5 苦参提取物对育肥羊血清炎性因子含量与肝功能指标的影响
表7 苦参提取物对育肥羊血清炎性因子含量与肝功能指标的影响Table 7 Effects of Sophora flavescens extract on serum inflammatory factor contents and liver function indices of fattening sheep |
| 项目 Items | A组 Group A | B组 Group B | C组 Group C | D组 Group D | E组 Group E | P值 P-value | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 第36天Day 36 | |||||||||||||
| 白细胞介素-2 IL-2/(pg/mL) | 679.01±61.55Cc | 794.13±80.75BCb | 961.64±41.50Aa | 972.59±77.11Aa | 834.97±51.02Bb | <0.001 | |||||||
| 白细胞介素-4 IL-4/(pg/mL) | 81.13±8.73 | 87.78±12.40 | 80.11±5.85 | 83.37±8.61 | 73.86±6.89 | 0.150 | |||||||
| 白细胞介素-6 IL-6/(pg/mL) | 161.87±3.55Aa | 155.44±6.54Aa | 154.14±7.07Aa | 153.64±7.01Aa | 123.65±7.83Bb | <0.001 | |||||||
| 肿瘤坏死因子-α TNF-α/(ng/L) | 135.05±3.12a | 128.71±5.23ab | 116.88±15.49b | 124.97±8.00ab | 124.13±6.15ab | 0.047 | |||||||
| 天门冬氨酸氨基转移酶 AST/(U/L) | 126.04±6.63 | 130.06±8.49 | 127.83±6.72 | 130.67±6.85 | 133.77±11.13 | 0.634 | |||||||
| 丙氨酸氨基转移酶 ALT/(U/L) | 15.28±0.36 | 15.36±0.94 | 15.12±0.86 | 15.63±1.06 | 15.56±0.83 | 0.872 | |||||||
| 第72天Day 72 | |||||||||||||
| 白细胞介素-2 IL-2/(pg/mL) | 721.92±63.79 | 734.94±132.94 | 769.57±96.25 | 790.29±83.00 | 645.27±24.56 | 0.130 | |||||||
| 白细胞介素-4 IL-4/(pg/mL) | 63.67±12.08 | 85.26±11.97 | 79.35±14.96 | 82.51±10.81 | 69.65±18.33 | 0.113 | |||||||
| 白细胞介素-6 IL-6/(pg/mL) | 150.51±11.97 | 141.80±26.56 | 149.69±2.42 | 149.51±5.40 | 145.23±8.34 | 0.833 | |||||||
| 肿瘤坏死因子-α TNF-α/(ng/L) | 142.75±10.69Aa | 132.10±14.16Aa | 127.11±6.61ABa | 126.54±5.43ABa | 106.77±18.13Bb | 0.003 | |||||||
| 天门冬氨酸氨基转移酶 AST/(U/L) | 128.31±5.09 | 131.34±5.94 | 130.27±4.76 | 129.43±6.37 | 129.16±5.09 | 0.924 | |||||||
| 丙氨酸氨基转移酶 ALT/(U/L) | 15.75±1.14 | 15.26±0.55 | 15.57±0.83 | 15.60±0.34 | 15.59±1.12 | 0.884 |
2.6 苦参提取物对育肥羊血清抗氧化指标的影响
表8 苦参提取物对育肥羊血清抗氧化指标的影响Table 8 Effects of Sophora flavescens extract on serum antioxidant indices of fattening sheep |
| 项目 Items | A组 Group A | B组 Group B | C组 Group C | D组 Group D | E组 Group E | P值 P-value |
|---|---|---|---|---|---|---|
| 第36天Day 36 | ||||||
| 总抗氧化能力T-AOC/(mmol/L) | 0.17±0.03Bb | 0.17±0.05Bb | 0.26±0.02ABa | 0.27±0.07Aa | 0.17±0.06Bb | 0.003 |
| 丙二醛MDA/(mmol/mL) | 8.65±0.79a | 6.20±1.09b | 6.65±0.97b | 6.23±0.39b | 6.94±1.89b | 0.016 |
| 超氧化物歧化酶SOD/(U/mL) | 39.96±2.34Bc | 43.97±2.14Aab | 44.92±2.21Aab | 45.12±2.24Aa | 42.16±0.84ABbc | 0.003 |
| 谷胱甘肽过氧化物酶 GSH-Px/(U/mL) | 190.43±19.89Bc | 265.82±22.66Aab | 265.01±30.79Aab | 281.42±15.04Aa | 240.25±23.74Ab | <0.001 |
| 过氧化氢酶CAT/(U/mL) | 2.15±0.11 | 2.19±0.12 | 2.29±0.08 | 2.32±0.16 | 2.28±0.12 | 0.198 |
| 第72天Day 72 | ||||||
| 总抗氧化能力T-AOC/(mmol/L) | 0.16±0.02Bc | 0.18±0.04Bbc | 0.23±0.04ABab | 0.27±0.04Aa | 0.17±0.20Bc | <0.001 |
| 丙二醛MDA/(mmol/mL) | 9.57±2.24 | 7.23±1.26 | 9.29±1.72 | 8.09±0.55 | 7.69±1.29 | 0.101 |
| 超氧化物歧化酶SOD/(U/mL) | 41.06±1.52Bc | 42.71±0.91Bbc | 46.31±0.76Aa | 46.61±0.76Aa | 43.98±2.59Bb | <0.001 |
| 谷胱甘肽过氧化物酶 GSH-Px/(U/mL) | 200.23±18.52Bc | 267.53±13.13Ab | 269.22±28.32Ab | 295.56±12.89Aa | 262.51±12.80Ab | <0.001 |
| 过氧化氢酶CAT/(U/mL) | 2.18±0.07 | 2.20±0.16 | 2.26±0.15 | 2.36±0.21 | 2.34±0.20 | 0.340 |
2.7 苦参提取物对育肥羊血清生化指标的影响
表9 苦参提取物对育肥羊血清生化指标的影响Table 9 Effects of Sophora flavescens extract on serum biochemical indices of fattening sheep |
| 项目 Items | A组 Group A | B组 Group B | C组 Group C | D组 Group D | E组 Group E | P值 P-value |
|---|---|---|---|---|---|---|
| 第36天Day 36 | ||||||
| 白蛋白ALB/(g/L) | 34.21±3.76b | 39.22±4.99ab | 42.79±3.37a | 43.82±6.03a | 42.46±6.56a | 0.045 |
| 总蛋白TP/(g/L) | 37.24±5.27Bc | 43.45±8.80ABbc | 45.91±8.92ABbc | 47.41±2.95Ab | 61.04±7.55Aa | <0.001 |
| 尿素氮UN/(mmol/L) | 8.25±0.46Aa | 5.81±0.74BCb | 7.82±1.49ABa | 4.88±1.35Cb | 6.10±0.88BCb | <0.001 |
| 碱性磷酸酶ALP/(U/mL) | 61.66±25.21Bc | 63.54±3.38Bc | 112.81±16.13Aa | 99.07±15.73ABab | 77.83±27.28ABbc | 0.001 |
| 甘油三酯TG/(mmol/L) | 2.72±0.13 | 2.40±0.33 | 2.55±0.38 | 2.39±0.22 | 2.51±0.22 | 0.331 |
| 总胆固醇TC/(mmol/L) | 0.89±0.09 | 1.28±0.30 | 1.00±0.39 | 1.19±0.14 | 0.93±0.31 | 0.212 |
| 第72天Day 72 | ||||||
| 白蛋白ALB/(g/L) | 38.79±3.58b | 52.12±8.66a | 42.07±4.23b | 53.09±7.75a | 46.42±8.01ab | 0.013 |
| 总蛋白TP/(g/L) | 42.58±6.58 | 51.15±13.36 | 50.67±15.60 | 49.00±11.74 | 61.63±12.28 | 0.224 |
| 尿素氮UN/(mmol/L) | 8.78±1.02Aa | 7.04±0.93ABb | 5.23±1.41Bc | 7.39±1.12Aab | 7.27±1.01ABab | 0.002 |
| 碱性磷酸酶ALP/(U/L) | 61.39±14.96 | 67.33±27.16 | 89.39±15.51 | 70.11±23.97 | 89.62±12.95 | 0.105 |
| 甘油三酯TG/(mmol/L) | 2.43±0.14 | 2.33±0.18 | 2.34±0.15 | 2.18±0.08 | 2.31±0.21 | 0.232 |
| 总胆固醇TC/(mmol/L) | 1.31±0.27 | 1.71±0.44 | 1.48±0.40 | 1.37±0.25 | 1.80±0.29 | 0.137 |
2.8 苦参提取物对育肥羊腹泻率的影响
表10 苦参提取物对育肥羊腹泻率的影响Table 10 Effects of Sophora flavescens extract on diarrhea rate of fattening sheep % |
| 项目 Items | 腹泻率 Diarrhea rate |
|---|---|
| A组Group A | 8.33±2.41 |
| B组Group B | 7.25±3.77 |
| C组Group C | 6.79±2.13 |
| D组Group D | 6.39±0.73 |
| E组Group E | 7.22±0.56 |
| P值P-value | 0.768 |
同列数据肩标无字母表示差异不显著(P>0.05)。 | |
In the same column, values with no letter superscripts mean no significant difference (P>0.05). |
