The Eggs and Larvae of Cattle, 
Sheep and Goat Parasites 
HESE host animals are infested with a number of tapeworms be- 
-L longing to the group which includes the unarmed tapeworms, or 
those in which the head or scolex is not provided with hooks. So far 
as can be judged from the literature, goats are less subject to tape¬ 
worm infestation than are sheep and cattle. Tapeworms are often 
found in the small intestine of ruminants, the usual site for tapeworms 
Fig. 28. Moniezia planissima. Egg. Enlarged. From Stiles and Hassall, 1893. 
in general, but in some cases they are found in the ducts of the liver 
and pancreas, in the gall bladder and, rarely, in the stomach, as in the 
case of Thysanosoma actinioides of sheep, this being the fringed tape¬ 
worm found in sheep in the western United States. Stilesia hepatica 
occurs in the biliary ducts of the liver in sheep and goats and in the 
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