health authorities in brazil are taking anew approach to fight the spread of the zika virus.bruce tell us about this form of "biological control." ok, so up until this point the governmenthas been distributing insecticides and eliminating mosquitoes' breeding grounds. now, on topof that, they're using guppies. the small fish feed on mosquito larva, stemminggrowth of the insect in pools of stagnant water. "the fish is very resilient, as it lives inplaces where there is a lot of sewerage and organic material, and where other speciesof fish would not survive."
the guppies also reproduce rapidly... meaningthis could be a sustainable method to control the spread of the virus. bruce, is this proven to be an effective methodin disease prevention? the guppy has been used before as a natural or "bio" method tocontrol diseases spread by mosquitoes in other parts of the world. and...
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