21 November 2009
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SIT Screwworm

Sterile Insect Technique for the Control and Eradication of the Old and New World Screwworm

The IAEA's development objective in supporting Member State livestock development programs aims at controlling or eradicating key insect pests. This involves the application of the Sterile Insect Technique (SIT) into area-wide integrated pest management and eradication systems. The sustainability of eradication activities has been demonstrated for a number of insect pests under various national settings where the application of SIT has produced significant impact on socio-economic development, in terms of both cost-savings and environmental quality.

SIT or autocidal pest control is a "birth control" method for controlling or eradicating insect pests.  It involves the colonization and mass rearing of the target insect species,sterilization through the use of gamma radiation and releasing        them into an area on a sustained basis and in sufficient numbers  to achieve appropriate sterile to wild insect over-flooding ratios.  No offspring results from the mating of sterile males with fertile wild females which results in a reduction and finally elimination of the pest population.  SIT is not a stand-alone technique and should be applied together with other insect control activities as part of an area-wide integrated pest management program.

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