![]() It all hinges on the fact that the liver is the main food processing organ of the body and if it is damaged then animals will not utilise their food properly which can lead to loss of liver weight gain or poor production of milk. In many cases we may see no visible signs of liver fluke damage but they are still affecting the productivity of the animal. Depending on the level of liver damage these animals can recover but may never perform as well again. This happens becuase the liver damage and blood loss also decreases the level of proteins in the blood, allowing fluid to leak out of the circulation and accumulate in the tissues. A classic sign of liver fluke is bottle jaw (accumulation of fluid) which can be seen under the jaw or under the belly. The liver damage and blood loss will cause the animal to lose weight, and may cause pregnant animals to abort. Chronic fluke:If the number of fluke ingested is less than around 500, the sheep may not die, but the fluke will continue to migrate through the liver to the bile ducts where they will feed on blood.As the number of cysts on pasture are generally highest in the autumn and early winter, we tend to see the most severe disease in the autumn. This is often referred to as acute fluke. ![]()
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