Music helps dogs relax, especially if it’s reggae or soft rock, study … –

In a study conducted with the Scottish Society for the Prevention of Cruelty to Animals, researchers at the University of Glasgow played six-hour Spotify playlists from five genres of music to shelter dogs. On one day, the dogs heard classical; on others they grooved to soft rock, reggae, pop and Motown. The researchers recorded the dogs’ heart rate variability, their cortisol levels and behaviors like barking and lying down – all measures of stress levels – as they listened to the tunes, as well as on days when no music was played.

The dogs were generally «less stressed» when they heard music, and they showed a slight preference for reggae and soft rock, said co-author Neil Evans, a professor of integrative physiology. Motown got the most paws down, though not by much. But the range of responses to the genres was mixed, he noted.

«What we tended to see was that different dogs responded differently,» Evans said in an interview. «There’s possibly a personal preference from some dogs for different types of music, just like in humans.»

But the results make a strong case for the use of music as a calming technique in shelter settings, he said. That’s important because animal shelters, with all their noise and unfamiliarity, can be scary for dogs. And stress can cause dogs to cower, bark loudly, shake or otherwise behave in ways that make them less likely to be adopted.

«We want the dogs to have as good an experience as they can in a shelter,» said Evans, who added that people looking at dogs might also like hearing music. And those people «want a dog who is looking very relaxed and interacts with them.»

The study, published in the journal Physiology and Behavior, built on previous research by the same team that found shelter dogs hearing classical music bark less and lie down more, signs of relaxation. But by the seventh day of classical, the benefits to the dogs in that study had worn off, Evans said, indicating that «the animals were getting habituated with the music, or possibly getting bored.» That’s what led the researchers to try the varied genres.

The Scottish SPCA says it’s been convinced of the good music can do for its residents, and it’s now piping tunes into two centers in Glasgow and Edinburgh.

«Having shown that variety is key to avoid habituation, the Scottish SPCA will be investing in sound systems for all their kennels,» the charity said on its website. «In the future, every center will be able to offer our four footed friends a canine approved playlist with the view to extending this research to other species in the charity’s care.»

Karin Brulliard (c) 2017, The Washington Post News Service


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