1 材料与方法
1.1 试验饲料
表1 试验饲料组成及营养水平(干物质基础)Table 1 Composition and nutrient levels of experimental diets (DM basis) % |
| 项目 Items | 试验饲料Experimental diets | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| G0 | G20 | G40 | G60 | G80 | G100 | ||||||||
| 原料Ingredients | |||||||||||||
| 鱼粉Fish meal | 8.00 | 6.40 | 4.80 | 3.20 | 1.60 | ||||||||
| 黑水虻幼虫粉Black soldier fly larvae meal | 2.70 | 5.40 | 8.10 | 10.80 | 13.50 | ||||||||
| 豆粕Soybean meal | 22.00 | 22.00 | 22.00 | 22.00 | 22.00 | 22.00 | |||||||
| 菜籽粕Rapeseed meal | 10.00 | 10.00 | 10.00 | 10.00 | 10.00 | 10.00 | |||||||
| 花生粕Peanut meal | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | |||||||
| 面粉Wheat meal | 31.65 | 31.03 | 30.41 | 29.78 | 29.16 | 28.54 | |||||||
| 棉籽粕Cottonseed meal | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | |||||||
| 米糠Rice bran | 10.00 | 10.00 | 10.00 | 10.00 | 10.00 | 10.00 | |||||||
| 豆油Soybean oil | 2.70 | 2.22 | 1.74 | 1.27 | 0.79 | 0.31 | |||||||
| 大豆磷脂Soy lecithin | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | |||||||
| 磷酸二氢钙Ca(H2PO4)2 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | |||||||
| 维生素预混料Vitamin premix1) | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | |||||||
| 矿物质预混料Mineral premix2) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | |||||||
| 氯化胆碱Choline chloride (50%) | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | |||||||
| 合计Total | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | |||||||
| 营养水平Nutrient levels3) | |||||||||||||
| 粗蛋白质CP | 30.46 | 30.47 | 30.63 | 30.03 | 30.61 | 30.24 | |||||||
| 粗脂肪EE | 7.21 | 7.46 | 7.28 | 7.38 | 7.39 | 7.44 | |||||||
| 粗灰分Ash | 4.47 | 4.55 | 4.53 | 4.81 | 4.74 | 4.92 | |||||||
1)每千克维生素预混料含有 One kg of vitamin premix contained the following:VA 1.5 g,VB1 1.3 g,VB22.0 g,VB6 2.4 g,VB12 0.8 g,VC 40.0 g,VD3 0.5 g,VK3 3.5 g,烟酸 nicotinic acid 3.6 g,叶酸 folic acid 0.4 g,D-生物素 D-biotin 0.8 g,肌醇 inositol 12.5 g。 | |
2)每千克矿物质预混料含有 One kg of mineral premix contained the following:沸石粉 zeolite powder 352.8 g,砻糠粉 rice chaff powder 267.4 g,CuSO4·5H2O 10 g,MgSO4·7H2O 150 g,FeSO4·7H2O 66.7 g,ZnSO4·7H2O 34.8 g,KCl 23.6 g,MnSO4·7H2O 9.4 g,CaH4I2O6 6.5 g,Na2SeO3 4.5 g,CoSO4·7H2O 1.7 g。 | |
3)营养水平为实测值。Nutrient levels were measured values. |
1.2 试验用虾与饲养管理
1.3 指标检测及方法
1.3.1 生长性能和形体指标计算
1.3.2 饲料和虾体组成测定
1.3.3 血淋巴生化与免疫指标测定
1.4 数据统计与分析
2 结果与分析
2.1 黑水虻幼虫粉替代鱼粉对克氏原螯虾生长性能的影响
表2 黑水虻幼虫粉替代鱼粉对克氏原螯虾生长性能的影响Table 2 Effects of replacing fish meal with black soldier fly larvae meal on growth performance of red swamp crayfish (Procambarus clarkia) |
| 项目 Items | 组别Groups | |||||
|---|---|---|---|---|---|---|
| G0 | G20 | G40 | G60 | G80 | G100 | |
| 成活率SR/% | 75.71±12.86 | 72.86±10.00 | 71.43±5.71 | 70.00±4.29 | 74.29±14.29 | 72.86±12.86 |
| 末均重FBW/g | 38.78±2.25ab | 40.14±1.37ab | 40.37±3.16b | 39.00±3.04ab | 38.09±0.02ab | 35.61±1.42a |
| 增重率WGR/% | 276.52±21.82ab | 289.70±13.33ab | 291.96±30.65b | 278.65±29.54ab | 269.79±0.21ab | 245.75±13.76a |
| 特定生长率 SGR/(%/d) | 1.47±0.06ab | 1.51±0.04b | 1.51±0.09b | 1.48±0.09ab | 1.45±0.01ab | 1.38±0.04a |
| 饲料系数FCR | 1.13±0.13a | 1.14±0.19ab | 1.13±0.01a | 1.20±0.02ab | 1.19±0.23ab | 1.29±0.18b |
同行数据肩标不同小写字母表示差异显著(P<0.05)。下表同。 | |
Values in the same row with different small letter superscripts mean significant difference (P<0.05). The same as below. |
2.2 黑水虻幼虫粉替代鱼粉对克氏原螯虾形体指标的影响
表3 黑水虻幼虫粉替代鱼粉对克氏原螯虾形体指标的影响Table 3 Effects of replacing fish meal with black soldier fly larvae meal on physical indexes of red swamp crayfish (Procambarus clarkia) |
| 项目 Items | 组别Groups | |||||
|---|---|---|---|---|---|---|
| G0 | G20 | G40 | G60 | G80 | G100 | |
| 雌虾Female shrimp | ||||||
| 末均重FBW/g | 36.53±1.91 | 38.77±0.86 | 37.22±7.00 | 35.96±0.44 | 38.11±4.04 | 37.03±1.76 |
| 末均体长FBL/cm | 10.00±0.19 | 10.23±0.09 | 9.98±0.70 | 9.75±0.04 | 9.83±0.40 | 9.92±0.18 |
| 腹肉率AMP/% | 11.05±0.11ab | 10.13±0.58a | 10.07±0.55a | 10.22±0.34ab | 11.44±0.25b | 10.52±0.27ab |
| 肝胰腺指数 HSI/% | 5.59±0.11b | 5.26±0.02ab | 5.37±0.05ab | 4.89±0.25a | 5.56±0.24b | 5.20±0.13ab |
| 性腺指数GSI/% | 4.49±0.19ab | 4.77±0.20ab | 4.12±0.69ab | 4.96±0.03ab | 3.87±0.45a | 5.05±0.21b |
| 雄虾Male shrimp | ||||||
| 末均重FBW/g | 41.03±4.64ab | 41.51±4.12ab | 43.53±1.85b | 42.04±1.41ab | 38.07±3.17a | 34.19±4.75a |
| 末均体长FBL/cm | 9.71±0.46 | 9.91±0.41 | 9.37±0.19 | 9.77±0.14 | 9.34±0.32 | 9.22±0.48 |
| 腹肉率AMP/% | 9.29±0.48 | 9.03±0.02 | 8.89±0.00 | 8.92±0.38 | 8.87±0.31 | 9.01±0.46 |
| 肝胰腺指数 HSI/% | 4.80±0.36 | 4.45±1.21 | 4.05±0.71 | 4.48±0.20 | 4.19±0.15 | 4.13±0.07 |
2.3 黑水虻幼虫粉替代鱼粉对克氏原螯虾体组成的影响
表4 黑水虻幼虫粉替代鱼粉对克氏原螯虾体组成的影响(湿重基础)Table 4 Effects of replacing fish meal with black soldier fly larvae meal on body composition of red swamp crayfish (Procambarus clarkia) (wet weight basis) % |
| 项目 Items | 组别Groups | |||||
|---|---|---|---|---|---|---|
| G0 | G20 | G40 | G60 | G80 | G100 | |
| 雌虾Female shrimp | ||||||
| 粗蛋白质CP | 11.15±0.46a | 11.81±0.41ab | 12.19±0.21abc | 12.11±0.41abc | 12.76±0.37bc | 13.20±0.33c |
| 粗脂肪EE | 3.74±0.49b | 2.96±0.04a | 3.05±0.04a | 3.18±0.18ab | 3.06±0.08a | 3.25±0.05ab |
| 水分Moisture | 64.77±0.13ab | 65.43±0.32ab | 64.91±0.57ab | 65.48±0.25b | 64.31±0.79ab | 64.07±0.42a |
| 粗灰分Ash | 1.64±0.08 | 1.68±0.15 | 1.94±0.14 | 2.17±0.42 | 2.17±0.41 | 2.27±0.19 |
| 雄虾Male shrimp | ||||||
| 粗蛋白质CP | 11.41±0.28 | 11.72±0.82 | 11.31±0.18 | 11.83±0.86 | 10.47±0.80 | 11.56±0.20 |
| 粗脂肪EE | 3.14±0.07 | 2.82±0.12 | 2.99±0.13 | 2.90±0.09 | 2.82±0.16 | 3.06±0.08 |
| 水分Moisture | 64.32±1.42 | 64.64±0.17 | 63.70±0.45 | 63.34±0.60 | 63.80±0.82 | 63.75±0.28 |
| 粗灰分Ash | 2.08±0.32ab | 1.54±0.13a | 2.11±0.17b | 2.79±0.08c | 2.30±0.11bc | 2.44±0.13bc |
2.4 黑水虻幼虫粉替代鱼粉对克氏原螯虾血淋巴生化与免疫指标的影响
表5 黑水虻幼虫粉替代鱼粉比例对克氏原螯虾血淋巴生化与免疫指标的影响Table 5 Effects of replacing fish meal with black soldier fly larvae meal on hemolymph biochemical and immune indexes of red swamp crayfish (Procambarus clarkia) |
| 项目 Items | 组别Groups | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| G0 | G20 | G40 | G60 | G80 | G100 | |||||||
| 总蛋白 TP/(g/L) | 49.90 ±4.86a | 52.06 ±3.29ab | 61.56 ±4.15b | 50.21 ±3.93a | 53.13 ±2.04ab | 47.18 ±2.03a | ||||||
| 白蛋白 ALB/(g/L) | 8.23 ±0.77ab | 7.44 ±0.23a | 10.08 ±1.05b | 7.60 ±0.41a | 8.32 ±0.64ab | 7.62 ±0.81a | ||||||
| 胆固醇 CHOL/(mmol/L) | 0.57 ±0.12 | 0.57 ±0.06 | 0.62 ±0.06 | 0.49 ±0.02 | 0.44 ±0.05 | 0.51 ±0.02 | ||||||
| 甘油三酯 TG/(mmol/L) | 0.42 ±0.07 | 0.40 ±0.04 | 0.45 ±0.05 | 0.39 ±0.02 | 0.34 ±0.01 | 0.43 ±0.04 | ||||||
| 葡萄糖 GLU/(mmol/L) | 0.26 ±0.05ab | 0.29 ±0.01ab | 0.31 ±0.03b | 0.25 ±0.02ab | 0.22 ±0.02a | 0.22 ±0.00a | ||||||
| 谷丙转氨酶 ALT/(U/L) | 1.84 ±0.28 | 1.93 ±0.27 | 2.04 ±0.13 | 1.92 ±0.15 | 2.01 ±0.15 | 1.88 ±0.20 | ||||||
| 谷草转氨酶 AST/(U/L) | 2.28 ±0.21 | 2.47 ±0.22 | 2.51 ±0.18 | 2.33 ±0.18 | 2.30 ±0.22 | 2.73 ±0.20 | ||||||
| 碱性磷酸酶 ALP/(金氏单位/dL) | 1.62 ±0.33a | 2.12 ±0.24b | 1.79 ±0.14ab | 1.65 ±0.19ab | 1.21 ±0.07a | 1.44 ±0.18a | ||||||
| 酸性磷酸酶 ACP/(金氏单位/dL) | 1.94 ±0.53 | 1.74 ±0.22 | 2.16 ±0.18 | 1.79 ±0.19 | 1.42 ±0.14 | 1.48 ±0.18 | ||||||
| 溶菌酶 LZM/(U/mL) | 118.33 ±10.32ab | 126.67 ±6.09b | 105.00 ±5.00ab | 101.67 ±5.00a | 115.00 ±6.31ab | 113.33 ±10.54ab | ||||||
| 超氧化物歧化酶 SOD/(U/mL) | 1 642.51 ±264.94ab | 2 211.19 ±382.06b | 1 762.41 ±285.12ab | 1 831.60 ±264.88ab | 1 105.59 ±36.29a | 1 440.16 ±330.31ab | ||||||
| 丙二醛 MDA/(nmol/mL) | 1.66 ±0.37 | 1.71 ±0.21 | 2.41 ±0.29 | 1.56 ±0.20 | 2.13 ±0.47 | 1.63 ±0.26 | ||||||
| 过氧化氢酶 CAT/(U/mL) | 0.52 ±0.03 | 0.60 ±0.02 | 0.52 ±0.04 | 0.58 ±0.09 | 0.43 ±0.09 | 0.52 ±0.08 | ||||||
| 总抗氧化能力 T-AOC/(mmol/L) | 50.11 ±8.00 | 52.95 ±17.87 | 45.85 ±5.53 | 59.47 ±4.69 | 53.59 ±3.43 | 44.91 ±17.43 | ||||||

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