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Painting 'Zebra Stripes' on Cows Wards Off Biting Flies | RealClearScience
It sounds simple, but since we believe zebras have stripes to deter biting flies, these scientists tried painting stripes onto cows. It reduced flies by a lot, leaving cows 20% less bothered. It is more effective than bug repellent.
science  animals  via:reddit 
october 2019 by mcherm
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