. Common diseases of farm animals. Veterinary medicine. 260 PARASITIC DISEASES small intestine. The Echinorhyuclius is not as common a parasite as the Asearide, and it is not usually present in large numbers. Usually, not more than a half-dozen of these worms are found in the intestine of a hog, but in some localities and in hogs that are allowed to root around manure piles and in clover pastures the herd may become badly infected with them and serious losses occur. The average length of the male is about 3 inches (8 cm.) and the female 10 inches (26 cm.). The Trichocephalus crenatus or whip u


. Common diseases of farm animals. Veterinary medicine. 260 PARASITIC DISEASES small intestine. The Echinorhyuclius is not as common a parasite as the Asearide, and it is not usually present in large numbers. Usually, not more than a half-dozen of these worms are found in the intestine of a hog, but in some localities and in hogs that are allowed to root around manure piles and in clover pastures the herd may become badly infected with them and serious losses occur. The average length of the male is about 3 inches (8 cm.) and the female 10 inches (26 cm.). The Trichocephalus crenatus or whip u'orm (Fig. 77) is slender or hair-like in its anterior two-thirds and thick pos-. FiG. 77.—Whip-worms attached to wall of intestine. Fig. 78.—Pin worms in iniesuuc. teriorly. It is from to 2 inches (40 to 45 mm.) long. It is found in the ca?cum attached to the wall by the hair-like portion. The (J^sophagostomum dcntaium or pin ivorm is from to inch (8 to 15 mm.) long. It is found in the large intestine (Fig. 78). The sijmpiams of intestinal worms are not very evident in the average drove of hogs. Kone of the other fann animals are such common hosts for intestinal worms as hogs. But it is only in extreme cases of infection by intestinal worms, and in stunted and poorly-cared-for hogs, that very noticeable sj-mptoms of. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Craig, Robert Alexander, 1872-. Philadelphia London, J. B. Lippincott company


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Keywords: ., bookpublisherphilad, booksubjectveterinarymedicine, bookyear1919