Keywords
Bacillus toyonensis
priobiotics
aquaculture
How to Cite
Abstract
In industrial aquaculture farming, companies are faced with various infections, which often leads to mass mortality of aquatic animals. In recent years, probiotics have become increasingly popular and effective in preventing and avoiding infections. The healing properties of probiotics consist in antagonism to pathogenic and opportunistic microorganisms, in creating favorable conditions for representatives of normal microflora and supplying the host organism with biologically active substances. In this study it was found that both Bacillus toyonensis B-13249 and B. pumilus B-13250 show high antagonistic effect to representatives of pathogenic and opportunistic microflora: Staphylococcus aureus, Staphylococcus epidermidis, Eschirichia coli, Candida albicans, Salmonella abony, Salmonella typhimurium, Shigella sonnei. Bacillus pumilus B-13250 and Bacillus toyonensis B-13249 strains were highly sensitive to antibiotics widely used in livestock and poultry farming: oleandomycin, enrofloxacin, monomycin, cephalexin, benzylpenicillin and practically insensitive to oxacillin.
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