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Biocontrol capacity of bacteria isolated from sawdust of the dairy cattle production environment

This research paper aimed to find endemic bacteria from the cattle production system to control the growth of mastitis pathogens. Bacteria were isolated from compost barn sawdust of two dairy cattle systems and later tested to verify their ability to control the growth of Staphylococcus aureus isola...

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Bibliographic Details
Published in:Research in veterinary science 2024-01, Vol.166, p.105103-105103, Article 105103
Main Authors: Del'Duca, Alessandro, de Paiva Oliveira, Gabriela Fernandes, de Andrade Faustino, Mariana, Borges, Ludmila Abreu, Sixel, Emanuelle Salviano, Miranda, Caléo Alecsander Silva, Rodrigues, Edmo Montes, Medeiros, Julliane Dutra, de Sá Guimarães, Alessandro, Mendonça, Letícia Caldas, Cesar, Dionéia Evangelista
Format: Article
Language:English
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Summary:This research paper aimed to find endemic bacteria from the cattle production system to control the growth of mastitis pathogens. Bacteria were isolated from compost barn sawdust of two dairy cattle systems and later tested to verify their ability to control the growth of Staphylococcus aureus isolates obtained from cattle with mastitis. Bacterial isolates from these systems were tested to verify biocontrol capacity using the double-layer method. A total of 189 isolates were obtained from all samples by considering the morphology of the different bacterial colonies, with 30 isolates showing positive results for the growth control of at least one S. aureus strain and 19 isolates showing the ability to control more than one pathogen strain. The ability to control more than one pathogen and present a significant halo of inhibition in our isolates represents positive traits in the search for cattle mastitis biocontrol microorganisms. Thus, the results obtained represent the range of bacteria capable of controlling the pathogens without the use of antibiotics.
ISSN:0034-5288
1532-2661
DOI:10.1016/j.rvsc.2023.105103