Protection of rainbow trout (Oncorhynchus mykiss) from lactococcosis by probiotic bacteria

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• 作者：Daniel Vendrell ; Jos&#xe9 ; Luis Balc&#xe1 ; zar ; Ignacio de Blas ; Imanol Ruiz-Zarzuela ; Olivia Giron&#xe9 ; s ; Jos&#xe9 ; Luis Mú ; zquiz
• 关键词：Leuconostoc mesenteroides ; Lactobacillus plantarum ; Probiotics ; Rainbow trout ; Control ; Lactococcus garvieae
• 刊名：Comparative Immunology ; Microbiology and Infectious Diseases
• 出版年：2008
• 期刊代码：52_01479571
• 类别：bio
• 出版时间：July 2008
• 卷：31
• 期：4
• 页码：337-345
• 文件大小：177 K

摘要

We analysed the effect of probiotic supplementation on the control of lactococcosis in rainbow trout. Probiotic strains Leuconostoc mesenteroides CLFP 196 and Lactobacillus plantarum CLFP 238 were administered orally to fish for 30 days at 10<sup>7sup> CFU g<sup>−1sup> feed. Thirty days after the start of the probiotic feeding, fish were challenged with Lactococcus garvieae. Probiotic supplementation reduced fish mortality significantly, from 78%in the control group to 46–54%in the probiotic groups.