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非洲鸵鸟源乳酸菌的生物学特性研究

Hubei Agricultural Sciences(2022)

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Abstract
为微生态制剂的制备提供候选菌株,对非洲鸵鸟(Struthio camelus)粪便中3株乳酸菌的生长特性、产酸性能以及耐酸、耐胆盐、耐药性进行研究.结果表明,非洲鸵鸟粪便中分离的3株乳酸菌(M1、M2、M3)培养6 h后进入对数生长期,14 h后达到稳定期,24 h后菌液pH稳定在4.92.3株乳酸菌间互相比较,M1有较好的耐酸性,M2、M3有较高的耐胆盐能力.3株乳酸菌对链霉素、卡那霉素、庆大霉素中度敏感,对四环素、氧氟沙星耐药.3株菌株具有很好的生物学特性,可应用于动物微生态制剂中.
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