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Izadjoo, M. J., Pantoja, C. O., & Siebeling, R. J. (1987). Acquisition of salmonella flora by turtle hatchlings on commercial turtle farms. Can. J. Microbiol., 33(8), 718–723. 
Added by: Admin (24 Aug 2008 17:39:52 UTC)
Resource type: Journal Article
BibTeX citation key: Izadjoo1987
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Categories: General
Keywords: Bakterien = bacteria, Fortpflanzung = reproduction, Schildkröten = turtles + tortoises, Veterinärmedizin = veterinary medicine, Zeitigung = incubation
Creators: Izadjoo, Pantoja, Siebeling
Collection: Can. J. Microbiol.
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Abstract     
A commercial turtle pond in South Louisiana was studied to identify the mechanism by which turtle hatchlings acquire Salmonella flora. The visceral organs and mature eggs removed from 31 adult gravid female turtles over the course of two egg-laying seasons and from 37 adult females during one winter dormant period were examined bacteriologically for Salmonella. Pond water, egg nest soil, and hatchlings produced by eggs removed from the oviducts and nest soil were also tested. Eighty-eight turtles hatched from eggs removed from the oviducts of 15 turtles at necropsy did not excrete or harbor systemically Salmonella, nor were these pathogens isolated from ovarian tissue or immature eggs. The findings suggest transovarian transmission of these pathogens does not occur frequently. Turtles hatched from eggs retrieved from soil nests 1 to 2 h after deposition harbor and excrete these organisms. This result coupled with the isolation of these pathogens from the cloaca, colon contents, and bursal fluid from 18 females captured in the act of egg laying supports the cloaca to egg and nest soil to egg mode for salmonellae infection in the resultant hatchling. Salmonella arizonae and Salmonella serogroups B, C2, and E1 were isolated from the cloaca, colon contents, pond water, and nest soil, and were excreted by hatchlings produced from eggs removed from the soil nests. These same serogroups were isolated from the colon contents of 19 of 37 females tested during the dormant period, suggesting the salmonellae persist in the pond environment in the adult throughout the year.
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