Salmonellae

Salmonellae infect all species of warm-blooded animals, and until the introduction of barrier protected breeding systems, it was a common ruin of research projects involving rodents, especially mice. The prevalence of this organism has significantly diminished over the last 30 years. In mice and rats, S. typhimurium, and in guinea pigs, S. enteritidis, are the most common, causing various grades of diarrhea. The prevalences in infected colonies observed mostly range above 50% but may vary significantly.69 Uterine infections (probably without passage of the placenta barrier) have been described for Salmonellae.70

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