. Animal parasites and parasitic diseases. Domestic animals; Veterinary medicine. 4-. PARASITOLOGY. 153 Animals hifested.—The ox, sheep, and gfoat. Parts Infested. —The colon and caecum. Condition Prodnced. — 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 Trichocephalus Affinis firmly to the mucous membrane Sheep and suck blood ; only a few have 2'^ Male. been noted in infested animals a. Cephalic extremity, and no scrious rcsults have been b, Caudal extremity. , , . ,, . reported in this country. Tr


. Animal parasites and parasitic diseases. Domestic animals; Veterinary medicine. 4-. PARASITOLOGY. 153 Animals hifested.—The ox, sheep, and gfoat. Parts Infested. —The colon and caecum. Condition Prodnced. — 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 Trichocephalus Affinis firmly to the mucous membrane Sheep and suck blood ; only a few have 2'^ Male. been noted in infested animals a. Cephalic extremity, and no scrious rcsults have been b, Caudal extremity. , , . ,, . reported in this country. Trichocephalus Crenatus (Crena—notch). Synonyms.—Whipworm; 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 spira^^s. 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- [from old catalog]. Chicago, A. Eger


Size: 1532px × 1631px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., book, bookcentury1900, bookdecade1910, booksubjectdomesticanimals