Characterization of Bacillus subtilis strains as candidates for the preparation of animal additives
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Abstract
endospores production, enzyme production, antimicrobial activity and response to 25 broad spectrum antibiotics were considered. The results showed that the three strains have high growth capacity and endospore production, were able to inhibit Gram positive and Gram negative microorganisms; in addition to showing sensitivity to the 25 antibiotics evaluated. This allows inferring that these strains show favorable ranges to be used as animal additives, which are currently a promising alternative to the use of antibiotics as growth promoters.
Key words: antimicrobials, sensitivity, antibiotics, enzymes, Bacillus subtilis
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