False cows may be art on some continents, but in Africa, they save lives beef. artificial cows that attract and kill flies produced a dramatic decline in livestock disease by insects in Zimbabwe over the past 17 years, according to new data.
tsetse flies were once an insidious pest in Zimbabwe, the spread of pathogens responsible for deadly sleeping sickness in humans and a similar disease called nagana in cattle, which reduces production milk and wiping herds. That was until 1984, when an international team of researchers has begun deploying cow rectangles sized blue and black fabric that are irresistible to flies and impregnated with insecticide fatal.
More than 60,000 cows fabric now ranches dot the nation and "infection rates have dropped," says entomologist Steve Torr, University of Greenwich, UK Drawing on surveillance data from several hundred inspection centers, Torr found that infections nagana fell by 10,000 to just 50 per year, according to an analysis. later be published this year
Ian Maudlin, Director of tropical veterinary medicine Centre at the University of Edinburgh, UK, says lures are deceptively simple, but - regarding the flies - capture the "attractiveness of a real cow." essential
related site
a story about illness and nagana, the (pdf file) Wellcome Trust
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