Title: Erysipelas | The Pig Site
Headings: Erysipelas
Erysipelas
Background and history
Clinical signs
Sows
Boars
The important effects of erysipelas on reproductive failure
Weaners and growers
Diagnosis
Causes
Prevention
Treatment
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Content: Sudden changes in diet. Common in straw based systems. Diets that contain fungal toxins (mycotoxins) particularly aflatoxin. Heavy parasite burdens or low levels of coccidia that allow the bacteria to enter through the damaged wall of the intestine. The purchase of non-vaccinated boars or gilts. Virus infections particularly PRRS and SI. Prevention
If a boar is ill with a temperature and shows skin lesions, treat immediately and do not use for mating for a minimum period of four weeks. Alternatively, cross mate with boars that have no disease history or use AI. Vaccinate all gilts and young boars twice, two to four weeks apart (according to manufacturer's instructions) from 14 weeks of age. In herds where there is a high challenge it may be necessary to re-vaccinate gilts and boars so that a third dose of vaccine is given two months after the second often when the breeding animals arrive on the farm.