6株豬源芽孢桿菌的分離鑒定及其益生性研究
[Abstract]:The purpose of this study was to isolate Bacillus spp from the feces of healthy pigs by means of high temperature treatment and routine anaerobic isolation. The purpose of this study was to isolate Bacillus spp from feces of healthy pigs. The purpose of this study was to isolate bacillus from feces of healthy Antimicrobial activity and inoculation of experimental animals were used to identify the stable and excellent probiotic Bacillus. The results showed that six strains of Bacillus were isolated, one of them was Bacillus megaterium, one was Bacillus solani, two were Bacillus amylolyticus and two were Bacillus subtilis. The isolates were resistant to polymyxin and penicillin, sensitive to other 12 common drugs, and had better bacteriostatic effect on pathogenic Escherichia coli and Staphylococcus aureus. All the four Bacillus species could survive in acid, high bile salt and high temperature, especially Bacillus megaterium and Bacillus subtilis. The isolated bacillus had no pathogenicity to mice, among which Bacillus megaterium and Bacillus cereus had obvious effects on the growth of experimental animals. The results suggest that Bacillus megaculis and Bacillus stillus can be used as the primary selection of probiotic Bacillus.
【作者單位】: 江西農(nóng)業(yè)大學(xué)動(dòng)物科學(xué)與技術(shù)學(xué)院;南昌金牧動(dòng)物保健服務(wù)有限公司;
【基金】:江西省科技支撐計(jì)劃(20132BBF60038) 江西省生豬產(chǎn)業(yè)體系(JXARS-03-疫病防控崗位)
【分類號(hào)】:S852.61
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