期刊
JOURNAL OF MOLECULAR MICROBIOLOGY AND BIOTECHNOLOGY
卷 17, 期 3, 页码 153-157出版社
KARGER
DOI: 10.1159/000226588
关键词
Brown trout; Probiotics; Furunculosis; Lactococcus lactis CLFP 100; Leuconostoc mesenteroides CLFP 196; Real-time PCR
资金
- National Adviser Body of Continental Cultures (JACUCON)
Aeromonas salmonicida is the etiological agent of furunculosis in salmonid fish. This pathogen is important from an epizootic perspective because fish surviving an outbreak can remain lifelong asymptomatic carriers, serving as reservoirs of infection. As a result, the early detection and the control of infection are essential to prevent the spread of new furunculosis outbreaks. We have thus analyzed the effect of probiotic administration on the incidence of A. salmonicida in brown trout (Salmo trutta), that were subjected to temperature stress. Treatment with probiotic strains (Lactococcus lactis CLFP 100 and Leuconostoc mesenteroides CLFP 196) resulted in a higher survival rate after challenge, activation of phagocytic cells in the head kidney, and a lower rate of pathogen proliferation in the intestine as determined by real-time PCR. Copyright (C) 2009 S. Karger AG, Basel
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