. Animal parasites and parasitic diseases . Domestic animals; Veterinary medicine. PARASITOLOGY. 153 Animals Infested.—The 07i, sheep, and goat. Parts Infested. —The colon and caecum. Conditimi Produced. — The em- bryos, upon being taken into the digestive tract of the host, have been observed to reach maturity in two to three weeks : they hold Fig. 60— Trichocephalus affinis firmly to the mucous membrane Sbeep and suck blood; only a few have 2, Male. been noted in infested animals a, Cephalic extremity, and no serious results have been b, Caudal extremity. , - . ,, . reported m this country.
. Animal parasites and parasitic diseases . Domestic animals; Veterinary medicine. PARASITOLOGY. 153 Animals Infested.—The 07i, sheep, and goat. Parts Infested. —The colon and caecum. Conditimi Produced. — The em- bryos, upon being taken into the digestive tract of the host, have been observed to reach maturity in two to three weeks : they hold Fig. 60— Trichocephalus affinis firmly to the mucous membrane Sbeep and suck blood; only a few have 2, Male. been noted in infested animals a, Cephalic extremity, and no serious results have been b, Caudal extremity. , - . ,, . reported m this country. Trichocephaltjs Crenatds (Crena—notch). Synonyms.—Whip worm; Trichocephalus Dispar. Distribution. — Occasionally found in the United States. Description.—In shape and appearance the male and female resemble the Trichocephalus Affinis of sheep; the male measures one to one and one-quarter inches long, the female one and one-half inches. Animals Infested.—The pig. Parts Infested.—The small intestines. Conditions Produced. — They are found firmly attached to the mucous membrane. When only a few are present no serious results occur; when myr- iads are present they cause diarrhoea, indigestion and an unthrifty condition. Trichina Spiralis (Trix—hair; spira—coil). Synonym.—Trichonella spiralis. Distribution—Common in United States and many European countries. Trichina was first discovered by Peacock in 1828, in England. Found in about one. 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, Benjamin Franklyn, 1874-. Chicago : A. Eger
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