. The external and internal parasites of [man and] domestic animals. hot wateror fire. Much may be done, also, in diminishing the numbersof this and other parasites by frequently doctoring those dogs PARASITES OP ANIMALS. 85 that are worth keeping, or are necessary, in order to expeltheir parasitic worms, of which there are generally manykinds. There are numerous drugs that are efficacious for thispurpose, some of which are mentioned under the beef tape-worm (page 191). But the principal difficulty is this—thosewho keep the most dogs, the worst dogs, and the dogs mostlikely to harbor parasites
. The external and internal parasites of [man and] domestic animals. hot wateror fire. Much may be done, also, in diminishing the numbersof this and other parasites by frequently doctoring those dogs PARASITES OP ANIMALS. 85 that are worth keeping, or are necessary, in order to expeltheir parasitic worms, of which there are generally manykinds. There are numerous drugs that are efficacious for thispurpose, some of which are mentioned under the beef tape-worm (page 191). But the principal difficulty is this—thosewho keep the most dogs, the worst dogs, and the dogs mostlikely to harbor parasites in abundance, are the very personswho are least likely to adopt such measures, either not know-ing or not caring for the consequences. Tcenia coenurus Kuch., of the Dog; and its young, the ^^water-brain^ of the substance of the brain of sheep there is often founda soft tumor, often as large as a pigeons egg, and sometimeslarger than a hens egg, which is filled with a watery tumors would go on increasing in size indefinitely, until Figure death ensues. But even long before the result becomes fatal,the health is seriously impaired. The brain is often foundmuch diseased, and in part quite disorganized—a state ofthings which in man would produce incurable insanity. Insheep, it causes staggers, gid, vertigo, or sturdy,and other cerebral derangements. This disease is, in most Figure 62.—Ccenimts or water-brain of sheep. Natural size. Hearth andHome, after Thudichum. 86 BOARD OP AGRICULTURE. cases, incurable, and such diseased slieep are too often sentto the market. Fortunately, man cannot be infected withthis parasite. When one of these tumors is removed with care, it will befound to consist of a thin, white, translucent cyst or sac, roundish, oval, Figure 63. or irregular in shape. On one side may be Figure 64.
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectparasit, bookyear1870
