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Chlamydia and Chlamydophila species (view source)
Revision as of 10:39, 18 May 2008
, 10:39, 18 May 2008no edit summary
*Ovine enzootic abortion
*Ovine enzootic abortion
*Especially in intensive systems
*Especially in intensive systems
*Ewe lambs may acquire infection at birth, and abort in their first pregnancy
*Ewe lambs may acquire infection at birth and abort in their first pregnancy
*Infection via ingestion or inhalation causes a bacteraemia
*Infection via ingestion or inhalation causes a bacteraemia
*Bacteria localise in placenta and cause placentitis, leading to late abortion or premature weak lambs
*Bacteria localise in placenta and cause placentitis, leading to late abortion or premature weak lambs
*Venereal transmission from infected rams
*Venereal transmission from infected rams
*Some immunity develops after infection, protecting ewes from subsequent disease
*Some immunity develops after infection, protecting ewes from subsequent disease
*Live attenuated vaccines prior to breeding or inactivated vaccines during pregnancy
*Vaccines prevent infection but will not clear infection from persistently-infected animals
*Vaccines prevent infection but will not clear infection from persistently-infected animals
*Vaccination of ewe lambs
*Vaccination of ewe lambs prior to breeding
*Treatment: long-acting oxytetracyclines during an outbreak to protect in-contact pregnant ewes
*Control: isolate aborted ewes; destroy placentas, thorough cleaning
*Also abortion in cattle, goats and pigs
*Also abortion in cattle, goats and pigs
*Serious infection in pregnant women