National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
The occurrence of antibiotic resistant Salmonella is one of the major threats to the poultry industry. The use of probiotic strains is a promising alternative for the control and eradication of Salmonella in poultry. This study aims at producing and assessing the potential of Lactobacillus rhamnosus (IS9) strain to reduce Salmonella enterica serovar Enteridis and Typhimurium common in poultry. Pathogen-free chicks were orally administered by gavage with 1.0 x 109 CFU / ml of Lactobacillus rhamnosus (IS9) suspended in 0.1 ml of sterile water and 24 h later were challenged in separate experiments with S. Enteritidis and S. Typhimurium. There was a significant reduction (P<0.05) in S. Enterisdis and S. Typhimurium in the small intestine of infected birds. The action of L. rhamnosus (IS9) was more important in 14-days old chicks. Salmonella count was nil in duodenum, colon and caeca of 14-days old chicks pre-dosed with a single dosed of L. rhamnosus (IS9). Weekly analysis of caeca swabs of chicks pre-dosed with L. rhamnosus (IS9) showed significant reduction (P<0.05) in Salmonella while the caeca population of lactobacilli increases.
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