Scientists Painted Cows to Resemble Zebras and Prevent Biting Flies interestingengineering.com

The researchers painted a group of Japanese Black cows with white zebra stripes.
In order to carry out their investigation, researchers painted six Japanese Black cows with Zebra-like black-and-white stripes.
AdvertisementAs CNET reports, the number of biting flies observed on the striped cows was impressively less than half the number seen on cows that were not painted.
AdvertisementExamples of experimental cows with/without painted stripes.
Advertisement"We also found that the reduced landings of biting flies coincide with a reduction in defensive behaviors in cows."