CN101050442A - 一种饲用活菌酸制剂及其专用菌株 - Google Patents
一种饲用活菌酸制剂及其专用菌株 Download PDFInfo
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- CN101050442A CN101050442A CNA2007100650175A CN200710065017A CN101050442A CN 101050442 A CN101050442 A CN 101050442A CN A2007100650175 A CNA2007100650175 A CN A2007100650175A CN 200710065017 A CN200710065017 A CN 200710065017A CN 101050442 A CN101050442 A CN 101050442A
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- subtilis
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Abstract
Description
试验项目 | 结果 | 试验项目 | 结果 |
接触酶氧化酶厌氧生长VP试验VP<pH6VP>pH7甲基红试验利用碳水化合物产酸葡萄糖木糖L-阿拉伯糖甘露醇 | ++-++-+++++ | 利用葡萄糖产气利用柠檬酸盐硝酸盐还原50℃生长pH5.7生长7%NaCl生长淀粉水解明胶液化分解酪素 | -++++++++ |
原料名称 | 配比(千克) |
水合二氧化硅(辅料) | 8 |
实施例1制备的饲用活菌剂 | 14 |
无水乳酸钙 | 10 |
无水柠檬酸 | 40 |
富马酸 | 5 |
苹果酸 | 3 |
乳糖(作为辅料) | 20 |
合计(公斤) | 100 |
原料名称 | 比例(%) | 主要营养指标 | ||
玉米 | 57.0 | 消化能(kcal/kg) | 3379 | |
膨化豆粕 | 13.4 | 粗蛋白(%) | 18.00 | |
膨化大豆 | 7.0 | 钙(%) | 0.83 | |
进口鱼粉 | 7.0 | 有效磷(%) | 0.55 | |
葡萄糖 | 5.0 | 赖氨酸(%) | 1.25 | |
乳清粉 | 6.0 | 蛋氨酸(%) | 0.41 | |
豆油 | 1.5 | 蛋+胱氨酸(%) | 0.73 | |
氢钙 | 1.2 | 苏氨酸(%) | 0.86 | |
石粉 | 0.5 | 色氨酸(%) | 0.21 | |
乳猪预混料 | 0.5 | |||
精盐 | 0.2 | |||
赖氨酸 | 0.3 | |||
苏氨酸 | 0.12 | |||
蛋氨酸 | 0.08 | |||
氯化胆碱 | 0.12 | |||
氧化锌 | 0.24 | |||
乙氧基喹啉 | 0.07 | |||
粪便外观 | 硬粪 | 均匀粘性粪便 | 软,部分成型 | 半液状、糨糊状粪便 | 水样粪便 |
评分 | 1 | 2 | 3 | 4 | 5 |
指标 | 对照组 | 饲用活菌酸制剂组 | 乐达酸组 | 强酸灵组 | SEM | P值 | |
初重(kg) | 5.3 | 5.2 | 5.3 | 5.3 | 0.1 | 0.852 | |
末重(kg) | 12.7a | 14.4b | 14.3b | 13.8ab | 0.4 | 0.031 | |
0~2周 | 采食量(g) | 246 | 292 | 283 | 267 | 15 | 0.213 |
日增重(g) | 175a | 229b | 225b | 205ab | 14 | 0.018 | |
料肉比 | 1.41 | 1.28 | 1.26 | 1.30 | 0.05 | 0.217 | |
腹泻指数 | 2.85c | 2.11a | 2.36ab | 2.52b | 0.11 | 0.025 | |
腹泻头次数 | 53 | 9 | 11 | 35 | 0.78 | 0.012 | |
腹泻率 | 21.0 | 3.6 | 4.5 | 13.9 | 0.46 | 0.015 | |
采食量(g) | 656 | 718 | 716 | 705 | 21 | 0.081 |
日增重(g) | 355a | 426b | 422b | 405ab | 18 | 0.023 | |
料肉比 | 1.85 | 1.69 | 1.70 | 1.74 | 0.07 | 0.095 | |
0~4周 | 采食量(g) | 451 | 505 | 499 | 486 | 19 | 0.065 |
日增重(g) | 265a | 327b | 323b | 305b | 13 | 0.028 | |
料肉比 | 1.70 | 1.54 | 1.54 | 1.59 | 0.06 | 0.072 |
对照组 | 饲用活菌酸制剂组 | 乐达酸组 | 强酸灵组 | |
饲料pH值 | 6.41 | 6.22 | 6.12 | 6.18 |
酸结合力(mmol) | 41 | 38 | 34 | 37 |
对照组 | 饲用活菌酸制剂组 | 乐达酸组 | 强酸灵组 | SEM | P-值 | |
胃内容物pH值 | 5.13b | 4.52a | 4.57a | 4.69a | 0.08 | 0.027 |
十二指肠内容物pH值 | 5.95b | 5.57a | 5.82ab | 5.92b | 0.11 | 0.042 |
空肠末端内容物pH值 | 6.78b | 6.35a | 6.71ab | 6.75b | 0.13 | 0.028 |
回肠末端内容物pH值 | 7.04b | 6.32a | 6.98b | 6.96b | 0.15 | 0.015 |
总分泌Cl-(mmol) | 18.5a | 67.8b | 20.6a | 19.3a | 1.1 | 0.031 |
胃黏膜分泌Cl-(mmol/g) | 4.8a | 17.2b | 5.3a | 5.1a | 0.3 | 0.018 |
对照组 | 饲用活菌酸制剂组 | 乐达酸组 | 强酸灵组 | SEM | P-值 | ||
胃内容物胃蛋白酶活性(U) | 总酶(U/g鲜样) | 2.54a | 5.65b | 2.87a | 2.72a | 0.18 | 0.017 |
酶活(U/g鲜样) | 1.42a | 4.27b | 1.98a | 1.64a | 0.13 | <0.01 | |
酶/总酶(%) | 55.9a | 75.6bc | 68.9b | 60.3ab | 3.2 | <0.01 | |
胃蛋白酶原活性(U/g胃黏膜) | 341.3 | 352.7 | 358.6 | 347.8 | 5.8 | 0.238 | |
十二指肠内容物酶活 | 胰蛋白酶(U/g) | 175.6a | 668.9c | 514.2bc | 325.7ab | 72.5 | <0.01 |
淀粉酶(U/g) | 28.5a | 168.5c | 73.2b | 48.9ab | 8.6 | <0.01 |
对照组 | 饲用活菌酸制剂组 | 乐达酸组 | 强酸灵组 | SEM | P-值 | |
乳酸杆菌(109CFU/g) | 2.54a | 175.3b | 9.25a | 6.42a | 4.21 | <0.01 |
大肠杆菌(107CFU/g) | 8.1b | 1.8a | 5.2ab | 6.5b | 1.5 | <0.01 |
指标 | 活菌酸制剂 | 益畜宝(益生素) | 乐达酸(复合酸化剂) |
杀菌效力(相对值) | 100倍 | 10倍 | 10倍 |
替代饲用抗生素 | 完全替代/部分替代 | 部分替代 | 部分替代 |
能否耐受高温 | 能 | 能/不能 | 能 |
添加量,kg/t | 1-3 | 1-3 | 2-5 |
肉品抗生素残留 | 无 | 少/有 | 少/有 |
腹泻率降低程度 | 50-70% | 10-20% | 5-20% |
节约成本,元/头猪 | 15 | 8 | 5 |
Claims (10)
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CN115873748B (zh) * | 2022-08-18 | 2023-07-07 | 浙江省农业科学院 | 枯草芽孢杆菌、枯草芽孢杆菌发酵物及应用 |
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