An In Vivo Pilot Study on Probiotic Potential of Lactic Acid Bacteria Isolated from the Gastrointestinal Tract of Creole Hens (Gallus gallus domesticus) Native to Montería, Córdoba, Colombia in Broiler Chickens

نویسندگان

چکیده

The objective of the present study was to characterize probiotic potential nine strains Lactobacillus spp. isolated from gastrointestinal tract Creole hens through in vitro and vivo tests. following parameters were evaluated vitro: (1) growth at four pH levels, (2) resistance bile salt concentrations, (3) tolerance NaCl (4) capacity culture medium, (5) antimicrobial activity against Escherichia coli, Salmonella, Klebsiella, Staphylococcus aureus. candidate LP-40 had significantly (p < 0.05) increased 3 0.3% salts elevated compared other evaluated. This strain identified as salivarius by 16S rRNA sequencing. An experiment conducted assess effect supplementation drinking water on 42-day performance broiler chickens a non-treated control or dietary treatment with enrofloxacin. administration improved body weight, feed conversion antibiotic-treated control. Thus, results suggest that demonstrates and, perhaps, could be utilized an alternative antibiotic treatment.

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ژورنال

عنوان ژورنال: Poultry

سال: 2022

ISSN: ['2674-1164']

DOI: https://doi.org/10.3390/poultry1030014