منابع مشابه
Screwworm eradication program in Central America.
The Screwworm Eradication Program has been extremely successful in its efforts to achieve its goal of eradication of screwworms through Central America and establishment of a permanent biological barrier in the eastern half of Panama. Following eradication of screwworms from Mexico in 1991, eradication was achieved in Belize in 1992, in Guatemala in 1993, and in El Salvador in 1994. Honduras ha...
متن کاملScrewworm eradication in the Americas.
The screwworm fly, Cochliomyia hominivorax (Coquerel), is a parasite that attacks all warm-blooded animals including humans. This parasite has caused significant losses to the livestock industries of the Americas. Since the screwworm eradication program was initiated in the Southeastern United States in 1957, the eradication program has successfully progressed to its current location in Panama....
متن کاملScrewworm eradication: inadvertent selection for noncompetitive ecotypes during mass rearing.
The rapid fixation of a rare allelic form of alpha-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.
متن کاملMitochondrial DNA variation in screwworm.
Polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) analysis was used to characterize mitochondrial DNA (mtDNA) variation in screwworms, Cochliomyia hominivorax, and secondary screwworm, C.macellaria, from the Caribbean, North America and South America. Four amplicons, totaling 7.1 kb, were analysed with sixteen restriction enzymes. A total of 133 restriction sites was...
متن کاملSlaying little dragons: lessons from the dracunculiasis eradication program.
The word dracunculiasis comes from the Latin phrase “afflicted with little dragons.” The global Dracunculiasis Eradication Program (DEP) spearheaded by President Jimmy Carter and The Carter Center has quietly “inched” towards world eradication with stunning success, as shown in Figure 1. In the midst of huge publicity and monies going into such global health campaigns as polio eradication, mala...
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ژورنال
عنوان ژورنال: Science
سال: 1974
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.184.4140.1010