Researchers have found another reason why the bond between humans and dogs is so special.
A Beagle dog hugs its owner on the second day of Crufts 2018 at the NEC in Birmingham. The study, published Monday in Current Biology, said the eyes of man’s best friend can well up with tears of joy regularly when reunited with their owner.
Kikusui and his team made the discovery after his two standard poodles had puppies six years ago. Kikusui noticed that whenever his dog was nursing the puppies— he noticed tears on the dog's face, although they weren't falling like human tears.Oxytocin is described as the "love hormone," according to Kikusui.His team of researchers used a standard test to measure dogs’ tear volume before and after reuniting with their owners.
Researchers then asked people to rate pictures of dogs’ faces with and without artificial tears in them. As a result, people gave more positive responses when they saw dogs with teary eyes. Researchers believe the findings suggest that dogs’ tear production helps to build stronger connections between people and their dogs.
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