172 bytes removed ,  15:54, 13 August 2010
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===Clinical Signs===
 
===Clinical Signs===
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The disease toxoplasmosis in sheep usually manifests
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The signs of toxoplasmosis in sheep manifest following the exposure of a naive pregnant ewe to infectious oocysts. This results in primary infection of the ewe and causes transplacental infection of the foetus. Typical clinical signs are therefore abortion and the birth of stillborn or weak lambs. Stillborn or week lambs are often accompanied by a second, mummified foetus.
following a primary infection of a pregnant ewe,
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Sheep may become
resulting in placental invasion and transplacental
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infection of the foetus. Typical clinical signs are
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abortion and production of stillborn or weak lambs
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often along with a small,mummified foetus. Placental
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tissue from infected ewes may also show characteristic
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gross white spot lesions which are visible to
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the naked eye and are areas of necrosis in the tissue
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which will limit its effective function in supporting
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the pregnancy (Buxton, 1990). Sheep may become
   
infected from the consumption of sporulated oocysts.
 
infected from the consumption of sporulated oocysts.
 
Once ingested, the oocysts excyst in the small intestine,
 
Once ingested, the oocysts excyst in the small intestine,
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