The domestic sheep its The domestic sheep : its culture and general management domesticsheepits01stew Year: 1900 DISEASES OF SHEEP. 329 parasites destroyed several times as many in Australia. Unfor- tunately we have it with us, but not nearly to the same extent; probcvbly because of the muen smaller proportion of sheep to our vastly greater territory. The history of this parasite is quite simi- lar to that of other injurious enemies of the sheep—as the tape worms for instance—in that it needs an intermediate bearer in Mature Fluke. which to pass the first stage of its existence. This is
The domestic sheep its The domestic sheep : its culture and general management domesticsheepits01stew Year: 1900 DISEASES OF SHEEP. 329 parasites destroyed several times as many in Australia. Unfor- tunately we have it with us, but not nearly to the same extent; probcvbly because of the muen smaller proportion of sheep to our vastly greater territory. The history of this parasite is quite simi- lar to that of other injurious enemies of the sheep—as the tape worms for instance—in that it needs an intermediate bearer in Mature Fluke. which to pass the first stage of its existence. This is a mollusk, a species of snail, which inhabits fresh Avater mars^hes. The curious historj^ of this parasite is of great interest to the American shep- herd, because we have the bearer of it here and the creature itself. It is comparatively abundant in the marshes of the Northwest and has been found in the States of New York and Pennsylvania. In the former locality it has been found in the livers of deer and rabbits: and. in rabbits in Pennsylvania. It has also been found
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