. Fig. 50. — The poultry tick. Larva, showing the three pairs of legs. (After Laurie.) themselves upon the birds. After gorging themselves with blood they return to the cracks to digest their meal. An adult tick feeds only about once a month, as it requires that time to digest fully one meal. During the growing periods they undergo a molt after digesting each meal. These ticks breed very prolifically, so that a poultry house once infested soon becomes overrun by them. 1 Laurie, D. F. The Poultry Tick. Dept. of Agric. of South Australia, Bui. No. 74, pp. 1-32, 1912.

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectpoultry, bookyear1915