. Common diseases of farm animals. Veterinary medicine. 234 PARASITIC DISEASES depositing the egg. The color of the egg is yellow, and it adheres firmly to the hair. It hatches in from two to four weeks, and the larva reaches the mouth through the animal lick- ing the part. From the mouth, it passes to the stomach, where it attaches itself to the gastric mucous membrane (Fig. 62). Here it remains until fully developed, when it becomes detached and is passed out with the ftijces. The third stage is passed in the. FiQ. 62.—A piece of the wall of the horse's stomach showing the bot-fly larvse att
. Common diseases of farm animals. Veterinary medicine. 234 PARASITIC DISEASES depositing the egg. The color of the egg is yellow, and it adheres firmly to the hair. It hatches in from two to four weeks, and the larva reaches the mouth through the animal lick- ing the part. From the mouth, it passes to the stomach, where it attaches itself to the gastric mucous membrane (Fig. 62). Here it remains until fully developed, when it becomes detached and is passed out with the ftijces. The third stage is passed in the. FiQ. 62.—A piece of the wall of the horse's stomach showing the bot-fly larvse attached. ground. This takes place in the spring and early summer and lasts for several weeks, when it finally emerges a mature fly. The hot-fly of the ox (11. lineata) is dark in color and about the size of a honey-bee. On warm days, the female may be seen depositing eggs on the body of the animal, especially in the region of the heels. This seems to greatly annoy the animal, and it is not uncommon for cattle to become stampeded. The. 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 Craig, Robert Alexander, 1872-. Philadelphia London, J. B. Lippincott company
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Keywords: ., bookpublisherphilad, booksubjectveterinarymedicine, bookyear1919
