Diseases of cattle, sheep, goats Diseases of cattle, sheep, goats and swine diseasesofcattl00mous Year: 1905 Fig. 152.—Eedia of the common liver fluke, with developed cerca- riae. X 150. (After Leuckart, 1889, p. 270, Fig. 130.) Fig. 153.—Free cercaria of the connnon liver fluke, showing two suckers, intestine, large glands, and tail. (After Leuckart, 1889, p. 279, Fig. 137.) some of the parasites enter the pallial (lung) cavity and attach themselves there. After becoming securely fastened to the snail the miracidium discards its ciliated covering, and shortens to about half its former le
Diseases of cattle, sheep, goats Diseases of cattle, sheep, goats and swine diseasesofcattl00mous Year: 1905 Fig. 152.—Eedia of the common liver fluke, with developed cerca- riae. X 150. (After Leuckart, 1889, p. 270, Fig. 130.) Fig. 153.—Free cercaria of the connnon liver fluke, showing two suckers, intestine, large glands, and tail. (After Leuckart, 1889, p. 279, Fig. 137.) some of the parasites enter the pallial (lung) cavity and attach themselves there. After becoming securely fastened to the snail the miracidium discards its ciliated covering, and shortens to about half its former length (0'07 mm. to 0'08 mm.). The parasites now bore their way into the body of the snail, and come to rest in the liver or near the roof of the pallial cavity, etc.; the movements gradually cease, and we have before us the stage known as the— (d) Sporocyst (Figs. 149 and 150).—The eye-spots, ganglionic swellings, and vestigial intestine become more and more indistinct, and are finally
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