Malathion to Control the Northern Fowl Mite1

Limitations of Malathion in Northern Fowl Mite and Louse Control

“…Two houses had a very heavy infestation of mites and the other five were heavily infestated with lice of the three species. Present studies confirm observation of Edgar and McAnnally (1955) and Harding (1955) that it is more difficult to obtain control in cockerels than in hens because they do less dusting. A sample of two hens and all cockerels from each house were examined and scored from 0 to 5 using the method of Moore and Schwardt (1954).…”

“…Its frequent use did not solve the mite problem under the conditions presently reported. These ratings are confirmed by data presented by Moore and Schwardt (1954), Vincent, Lindgren andKrohne (1954), Furman, Vincent andCoates (1955), Harding (1955) and Hoffman (1956). However, data presented in some papers were vague on duration of effectiveness and conclusions of some authors may reflect over-enthusiasm for complete mite control with this new chemical.…”

The evaluation of poultry pest management techniques in Florida poultry houses /

“…Sprays of 0.25 and 0.5% gave good results at an application rate of 25 ml per bird (Hoffman, 1956, I960). Litter treatments 2 of 4% dust at a rate of 0.3 to 0.5 kg per 1.9 m of litter gave good results on hens, but severe cases on roosters had to be dusted by hand (Harding, 1955).…”

The occurrence in New Zealand of the northern poultry mite,Ornithonyssus sylviarum(Canestrini and Fanzago, 1877)

“…malathion at 11b/20 sq.ft of Hoar space, with a little sprinkled into each nest box gave control of northern mites on hens. according toHarding (1955). although fOQstC'fS hild to he Downloaded by [University of California, San Diego] at 12:51 29 June 2016…”