. Cyclopedia of farm animals. Domestic animals; Animal products. Fig. 660. Dipping pigs for mange and lice. Ready for the plunge. (Peters.) is most frequent among young pigs, centage of the animals are usually affected, owner's attention is first attracted by the parox- ysms of coughing, which are very constant. This continues over many weeks; the growth of the animal is stunted and emaciation becomes marked. The diagnosis is made positive in case of doubt by killing one of the worst affected animals and exam- ining the lungs for the presence of the parasites. In making this examination, it is
. Cyclopedia of farm animals. Domestic animals; Animal products. Fig. 660. Dipping pigs for mange and lice. Ready for the plunge. (Peters.) is most frequent among young pigs, centage of the animals are usually affected, owner's attention is first attracted by the parox- ysms of coughing, which are very constant. This continues over many weeks; the growth of the animal is stunted and emaciation becomes marked. The diagnosis is made positive in case of doubt by killing one of the worst affected animals and exam- ining the lungs for the presence of the parasites. In making this examination, it is important to open the bronchial tubes longitudinally with the scissors and not crossways, as the worm may be readily overlooked by the latter method. Care should be taken in purchasing new pigs that they are free from the disease. Young pigs in infested localities should not be allowed to run over low marshy ground, or drink from pools and ditches. Treatment.—The use of drugs in this disease is rather unsatisfactory. It is better to kill adult pigs for food, in the early stages. In young and half-grown pigs, a teaspoonful of turpentine in milk swill or other fluid food should be given three times daily. Turpentine is excreted by the lungs, numbs the worms, and allows them to be expelled during the fits of coughing. Black tooth. Many farmers are inclined to attribute various ailments of swine to the presence of one or more. Fig. 661. Hog with rachitis or rickets. dark-colored teeth in the mouth. As soon as any of the animals become sick the mouth is examined, and in case black teeth are found they are consid- ered sufficient to account for the trouble. This discoloration of the teeth is due to the deposit of tartar, and in the majority of cases can be readily scraped off, leaving the white enamel underneath. Black teeth are often found in the mouths of healthy animals, never produce any abnormal condition, and their presence cannot account for any symp- toms the animal may be
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