Screwworm Eradication: Inadvertent Selection for Noncompetitive Ecotypes During Mass Rearing

Authors:
  • GBGuy L. Bush
    Guy L. Bush
  • RNRaymond W. Neck
    Raymond W. Neck
  • GKG. Barrie Kitto
    G. Barrie Kitto

Abstract
The rapid fixation of a rare allelic form of α-glycerol phosphate dehydrogenase is related to a loss of competitive ability in nature of factory-reared screwworm flies. The increase in frequency results from selection for survival under conditions of domestication and rapid development at high constant temperatures in the factory.

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