Facial deformities in Uganda apes linked to pesticide use

August 29, 2017 by  
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Our pesticides may be harming animals that live nearby, according to new research. A group of 10 scientists led by Paris’ Musée de l’Homme and the Great Ape Conservation Project at Kibale National Park in Uganda found baboons and chimpanzees with facial deformities near an agricultural area where they were told around eight pesticides had been used. 25 percent of chimpanzees the researchers monitored displayed abnormalities like reduced nostrils, reproductive issues, hypopigmentation, cleft lip, or limb deformities. Kibale National Park is close to industrial tea plantations and gardens growing maize, which are often raided by the chimps and baboons, according to the researchers. But it appears pesticides in the crops they’re taking are harming them. Related: Bee-killing pesticides have been found in US drinking water The researchers asked people in tea factories and villages what pesticides were being used, and were told of eight: glyphosate , cypermethrin, profenofos, mancozeb, metalaxyl, dimethoate, chlorpyrifos , and 2,4-D amine. They took samples from soils, fresh maize stems and seeds, and river sediments near where chimpanzees reside between 2014 and 2016 and discovered mean pesticide levels were above recommended limits. They also found the pesticides imidacloprid and DDT, as well as its metabolite pp’ -DDE. And it appears these pesticides may be affecting the animals. Out of 66 chimpanzees monitored, 16 had deformities. The scientists also photographed 35 baboons, and at least six had severe nasal deformities. The researchers said in the abstract of their paper they think “excessive pesticide use…may contribute to facial dysplasia in chimpanzees and baboons.” The suggestion that our agricultural practices are physically altering animals is horrifying; the researchers noted the International Union for the Conservation of Nature lists chimpanzees as endangered . The animals are also of economic importance in Uganda as they draw in ecotourists. The researchers said it may be a conservation priority to minimize threats to their survival, as the use of pesticides may be. The journal Science of The Total Environment published the research online earlier this year. Scientists from institutions in France, Uganda, Canada, and the United States collaborated on the work. Via ScienceDirect Images via Wikimedia Commons ( 1 , 2 )

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Facial deformities in Uganda apes linked to pesticide use

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