Abstract

ABSTRACT Cloacal cultures from loggerhead sea turtle, Caretta caretta, post-hatchlings were obtained and evaluated for bacterial flora composition and antimicrobial susceptibility before and after laparoscopic surgery with or without preoperative oxytetracycline. Eight of 16 turtles received 25 mg/kg oxytetracycline IM. An equivalent volume of saline was administered to eight control turtles. Cultures were performed in all turtles immediately prior to treatment, at one week, and at one month following treatment. Minimum inhibitory concentration of tetracycline testing was performed. Cloacal bacterial diversity was also evaluated prior to and after administration of oxytetracycline in each group. There was an apparent shift in the community composition and diversity of cloacal bacterial flora in both groups between treatment times. In the saline treated hatchlings, the cloacal bacterial species diversity was unchanged or increased following treatment, whereas the bacterial flora diversity in the oxytetracy...

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