. Diseases of cattle, sheep, goats and swine. Veterinary medicine. DISTOMATOSIS—LIVER FLUKE DISEASE—LIVER ROT. 297 varies with the temperature, a ciUated emhryo (mii-acidium) is developed. At a temperature of 20° to 26° C. the miracidium may be formed in ten days to three weeks; at a temperature of 16° C. the development takes two to three months; at 38° C. it ceases entirely. Experiments have shown that as long as these eggs remain in the dark the miracidium will not escape from the egg-shell; accordingly it will not escape during the night. When exposed to the light, however, or when suddenl
. Diseases of cattle, sheep, goats and swine. Veterinary medicine. DISTOMATOSIS—LIVER FLUKE DISEASE—LIVER ROT. 297 varies with the temperature, a ciUated emhryo (mii-acidium) is developed. At a temperature of 20° to 26° C. the miracidium may be formed in ten days to three weeks; at a temperature of 16° C. the development takes two to three months; at 38° C. it ceases entirely. Experiments have shown that as long as these eggs remain in the dark the miracidium will not escape from the egg-shell; accordingly it will not escape during the night. When exposed to the light, however, or when suddenly brought. Fig. 148.—Embryo of the common liver fluke {Fas- ciola hej^atica),horing into a snail. X 370. (After Thomas, 1883, p. 285, Fig. 4.). 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 Moussu, Gustave, 1864-; Dollar, Jno. A. W. (John A. W. ). Chicago : American Veterinary Pub. Co.
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectveterin, bookyear1920
