. The horse in health and disease : a text-book pertaining to veterinary science for agricultural students . Horses; Horses. PARASITES AND PARASITIC DISEASES 233 horses harbor a few, some as many as two or three hundred (Fig. 67). The bots remain in the stomach for about ten months, or until May or June, sucking blood for their sustenance. Then they loosen their hold, pass along through the bowels with the ingesta, and escape in the feces. If conditions are favorable they burrow into the soil and form a pupa. Some four or six weeks are passed in this stage, after which a perfect fly emerges re
. The horse in health and disease : a text-book pertaining to veterinary science for agricultural students . Horses; Horses. PARASITES AND PARASITIC DISEASES 233 horses harbor a few, some as many as two or three hundred (Fig. 67). The bots remain in the stomach for about ten months, or until May or June, sucking blood for their sustenance. Then they loosen their hold, pass along through the bowels with the ingesta, and escape in the feces. If conditions are favorable they burrow into the soil and form a pupa. Some four or six weeks are passed in this stage, after which a perfect fly emerges ready to lay eggs. Many different remedies have been used to free horses from bots, but all are of little or no value. Drugs strong enough to. Fig. 67.—Bots attached to the lining of the stomach. P\ill-grown larva of the Gastrophilus equi. (U. S. Dept. of Agric, Division of Entomology.) cause the bots to loosen their hold will injure the walls of the stomach, so cannot be used. Bots seldom cause serious injury, but may produce irritation and lack of thriftiness if present in large numbers by interfering with gastric secretion. In view of the fact that bots and many other internal parasites pass from the host as soon as the animals are turned out in the spring, treatment should be given in early winter to be effective. Prevention is easiest and most satisfactory. Clip off all eggs found attached to the hair with a sharp razor or destroy them by singeing with a 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 Hadley, Frederick Brown, 1880-. Philadelphia ; London : W. B. Saunders Company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjecthorses, bookyear1915
