Abstract
Many poultrymen have recently become very enthusiastic about the use of malathion in control of lice and mites. A rather extensive field testing program using malathion dust has been recently completed at the University of Georgia Poultry Farm. Results give some indication of its limitations as well as its value. In conducting the Broiler-Breeder Test, 21 entries of adult birds including 36 females and three males were received in September of 1955 from widely dispersed geographic areas of the United States. These entries were placed in 21 houses, each having approximately 155 square feet of floor space and containing wood-shavings for litter. Upon arrival some had a light infestation of lice and mites. The following species were present: the shaft louse, Menopon gallinae (L.), the body louse, Eomenocanthus stramineus (Nitz), the fluff louse, Goniocotes hologaster (Nitz), and the northern fowl mite, Ornithonyssus sylviarum (C. & F.).1By mid-November a heavy …
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