NS复合乳酸菌对断奶仔猪生产性能、血液生化指标和腹泻率的影响

摘要

A total 90 of crossbred piglets (1/2 Large white x 1/2 Duroc,28-day-old, (8. 99 ± 1. 60) kg BW) were divided into 3 groups by weight and gender,with 3 replicates in each group and 10 piglets in each replicate. The 3 groups were as follows: control group A (fed corn-soybean basal diet) , NS-Lactobacillus group B (added 0. 2% (m/m) NS-Lactobacillus complex in basal diet) , antibiotic group C added 0.2% (m/m) aureomycin, 0.025% (m/m) amoxicillin and 0.012 5% (m/m) tiamulin in basal diet. The experiments included 30 days. The productivity performance, blood biochemical indexes and the diarrhea rate were assayed. The results showed as follows; the average final weight, average weight gain and average daily gain in NS-Lactobacillus group were improved by 9. 12% ,7.64% and 7.67% compared with control group (P <0. 05) ;the feed conversion and diarrhea rate in NS-Lactobacillus group were decreased by 9. 70%. And 50% (P<0.01);In NS-Lactobacillus group, blood GLU level and SOD activity were improved by 20% and 10. 9% compared with control group (P <0. 05) , which indicates the anti-oxidation and stress reducing effect of NS-Lactobacillus.%选择二元杂交(杜/长)的(28)日龄断奶仔猪90头,平均断奶体重(8.99±1.60) kg,按体重和性别分成3个处理组,每处理3个重复.A组为对照组,饲喂玉米、豆粕基础日粮；B组为添加0.2％ (m/m)NS复合乳酸菌制剂到基础日粮中；C组为添加0.2％(m/m)金霉素、0.025％ (m/m)阿莫西林和0.012 5％ (m/m)的支原净.试验分为3个阶段:试验共30 d,研究微生态制剂NS复合乳酸菌对断奶仔猪生产性能、血液生化指标和减少腹泻率的影响.结果表明,NS复合乳酸菌能显著提高断奶仔猪的生产性能,平均末重、平均增重、平均日增重分别比A组高9.12％,7.64％和7.67％,差异显著(P＜0.05)；料肉比降低9.70％,差异显著(P＜0.05)；有效降低断奶仔猪的腹泻率50％,差异极显著(P＜0.01)；B组的血糖(GLU)含量比A组高20％、超氧化物歧化酶(SOD)活性高10.9％,差异显著(P＜0.05),对增强机体抗氧化功能,减少应激作用具有良好效果.