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Lactobacillus spp. Strains Isolation, Identification, Preservation and Quantitative Determinations from Gut Content of 45-Day-Old Chickens Broilers

Sorescu, I; Dumitru, M; Ciurescu, G.
R. bras. Ci. avíc.; 23(1): eRBCA-2020-1378, fev. 2021. ilus, tab
Artigo em Inglês | VETINDEX | ID: vti-30195

Resumo

The objective of this study was to isolate, identify, preserve and determine the quantitative level of the Lactobacillus strains from the gut content of 45-day-old chickens broilers; to test the viability of these strains preserved at 4 ºC and room temperature (20 ± 2 ºC). Lactobacillus strains were isolated, phenotypically identified and preserved from the gut content of 17 chickens broilers. Identification was performed by morphological, cultural and biochemical characters examination, using apiwebTM and ABIS online software. The quantitative level of Lactobacillus strains in intestinal content (105 - 109 CFU/g) and the viability of strains preserved at 4 ºC and at room temperature (from 8 days to 9 months) was also determined. Twenty-three strains of L. acidophilus, L. brevis, L. plantarum, L. fermentum and L. salivarius from the gut content of chickens broilers were isolated, phenotypically identified, and preserved. Of these, L. plantarum, L. fermentum and L. acidophilus biotype 1 strains were technologically and ecologically suitable to continue the testing of probiotic traits.(AU)
Biblioteca responsável: BR68.1
Localização: BR68.1