Bacterial Infections
Salmonellosis
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22/06/2009 - 21:21
The Science
Salmonellae are widespread in nature and affect a wide range of vertebrates. Guinea pigs are highly susceptible and develop severe clinical disease; mice and rats are also very susceptible and may carry sub-clinical infections for long periods.
Salmonellosis is a bacterial infection that generally affects the intestinal tract and occasionally the bloodstream.
Salmonella are spread...
Streptococcosis
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22/06/2009 - 21:45
The Science
Streptococcosis is any of a group of infectious diseases caused by intestinal bacteria of the genus Salmonella.
It is transmitted via aerosol droplets or biting.
Causes
The causative organism is Streptococcus pneumoniae, and several types have been associated with respiratory disease in rats.
Poor husbandry and general stress factors can lead to streptococcal infections, as does the...
Tyzzer's Disease
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22/06/2009 - 21:46
The Science
The disease was named after Ernest Tyzzer who initially described the syndrome in 1917. He observed a bacterium that did not conform with any known bacterial species, so Tyzzer named this newly identified bacterium Bacillus piliformis. For many years, Tyzzer's disease was believed to be restricted to mice, but it has been reported in a wide range of mammalian animal species,...