. Poultry diseases and their treatment. Poultry. 54 POULTRY DISEASES Life History.—The engorged female drops to the ground, from the hen, and finding a hiding place under some object, lays her eggs, which, if the weather be warm, hatch in a few days into the six-legged, asexual state. Upon gaining access to chickens it begins to draw blood and molts, finally reaching the eight-legged, sexual state. It is now ready to again reproduce. Symptoms of Infestation.—Large numbers of ticks cause trouble similar to that caused by num- erous lice. The parasite, being a blood-sucker, robs the host of cons
. Poultry diseases and their treatment. Poultry. 54 POULTRY DISEASES Life History.—The engorged female drops to the ground, from the hen, and finding a hiding place under some object, lays her eggs, which, if the weather be warm, hatch in a few days into the six-legged, asexual state. Upon gaining access to chickens it begins to draw blood and molts, finally reaching the eight-legged, sexual state. It is now ready to again reproduce. Symptoms of Infestation.—Large numbers of ticks cause trouble similar to that caused by num- erous lice. The parasite, being a blood-sucker, robs the host of considerable blood and causes ir- ritation. The birds do not thrive, sitting hens leave their nests, laying hens cease laying, young. 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-; Campbell, Delwin Morton, 1880- ed. Chicago, American Journal of Veterinary Medicine
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