. Animal parasites and parasitic diseases. Domestic animals; Veterinary medicine. 122 PARASITOLOGY. greenish, cheesy pus has accumulated around it; in nodules larger than a pin-head the entire contents are a cheesy mass ; the cyst wall is ruptured and the worm is found free, wandering within the capsule; in the larger nodules the cheesy material is quite hard except at the side where the worm is found. Nearing maturity the worm leaves the nodule and becomes sexually mature only in the intestinal tract; the nodule now gradually shrinks in size until it is quite small and filled with earthy mate


. Animal parasites and parasitic diseases. Domestic animals; Veterinary medicine. 122 PARASITOLOGY. greenish, cheesy pus has accumulated around it; in nodules larger than a pin-head the entire contents are a cheesy mass ; the cyst wall is ruptured and the worm is found free, wandering within the capsule; in the larger nodules the cheesy material is quite hard except at the side where the worm is found. Nearing maturity the worm leaves the nodule and becomes sexually mature only in the intestinal tract; the nodule now gradually shrinks in size until it is quite small and filled with earthy material. Animals Infested—The sheep, goat and Fig. 47.—Nodular Disease. a, Nodule caused by larva of Oesophagostome of Columbia. b, Section of small Intestine. Parts Infested.—Small and large intestines. Disease Produced.—Nodular disease. Condition Produced.—Nodular disease is common in native but seldom if ever found in range sheep. In badly infested cases the entire intestinal canal may be thorougly studded with the nodules, which are irregular in outline and push the serous coat out; the nodule lies under the serous covering of the bowel and can be readily told from the tubercle pro- duced by the bacillus of tuberculosis by the fact that the latter is smooth, and that in tuberculosis the lymph glands adjacent to the affected part will be. 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 Kaupp, B. F. (Benjamin Franklyn), 1874-. Chicago, A. Eger


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectdomesti, bookyear1910