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Pig Journal Volume: 62
Publication date: June 2009

Case Studies

A CASE OF SUSPECTED THROMBOCYTOPENIA PURPURA
J. BOROBIA

Abstract
In November 2007 a 400 sow unit experienced an increase in sub-cutaneous haemorrhages and bruises in the skin of twenty-eight piglets in eight different litters. The unit had experienced this problem over the previous three years. Piglets, normal at birth, developed the clinical signs from seven days of age. Mortality was high after a few days developing the clinical signs.
An investigation was carried out involving clinical examinations, post-mortem examinations and laboratory investigations. However, haematology was not performed as blood samples clotted.
A diagnosis of Thrombocytopenia purpura was indicated based on the history, consistent clinical signs and laboratory investigations.
A control programme of cross-fostering affected litters to other sows was implemented. Nevertheless, some of the cross-fostered affected piglets died. Sows that produced affected litters were culled or mated with a different boar. This resulted in no further cases.

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