作者: Surama Freitas Zanini , Dyeime Ribeiro Sousa , Maria Regina Alves Rodrigues , Maria Aparecida Silva , Marcos Santos Zanini
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摘要: The study was carried out to evaluate the dietary supplementation of oregano essential oil on performance and antimicrobial activity broilers. A total 250 day-old male were distributed in a completely randomized design divided into five groups with replicates, each given basal diet avilamycin plus salinomycin (positive control) or without added (negative only supplemented 0.5g oil/kg diet, 1.0g diet. It observed lower frequency gram-positive bacteria ileum negative control group compared chickens treated positive (p 0.05). that use resulted relative intestine weight results showed exerted growth-promoting effect broilers at by increase Lactobacillus spp. decrease intestinal