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Is grooming better than treats for bonding with your horse?

Researchers from Europe studied the differences in touch and food as rewards and training tools.

August 5, 2013

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Mutual Grooming
Mutual grooming is a common form of social behavior between equine herdmates. Could a similar use of grooming help facilitate bonding between humans and horses? Photo: Leslie Potter
Among the many benefits of regular grooming sessions with your horse is strengthening your bond. Equine pasturemates are often seen scratching each others' backs in the act of mutual grooming, and research has shown that physical touch enhances bonding in many species. But does the idea of interspecies bonding through grooming hold up to scientific scrutiny?

Researchers in France and Poland aimed to find out if grooming could help to facilitate horse-human bonding and equine learning. They compared this research against using a food reward, which past research has been shown to work for both bonding and learning in horses.

The researchers used 20 young Konik horses, a primitive breed from Poland. The horses were randomly assigned to either the food-reward group or the grooming-reward group. To test food vs. grooming as a tool to facilitate learning, the horses were trained for six days to stand still at a vocal command from the handler using rewards to mark the correct response. The duration of immobility was increased from five to 60 seconds as the horses progressed. The food-reward horses were given a piece of carrot for a correct response and the grooming-reward horses received a vigorous scratch on the withers, similar to how horses are known to bond with each other.

By the end of the study, the food-reward horses had successfully learned to stand still for 60 seconds, but only four of the grooming-reward horses had. Both groups improved the most over the first three days, but the food-reward group was always more successful, and continued to improve even after the grooming-reward group stagnated.

To test the effect of food and grooming rewards on bonding, the horses were also involved in a "motionless human test," a standard test used to assess human-animal relationships. In this test, a person stood in the center of an area where the horses were free to interact—or not—with her. Researchers documented how long it took the horses to approach the human and how much time they spent within 0.5 meters of her.

By the end of the study, the food-reward horses were more likely to approach the human and spent more time near her. But there was no significant change in the same behaviors within the grooming-reward groups.

Of course, horse owners and trainers don't only give treats to their horses or only offer a brief scratch on the withers; they feed their horses as well as provide extended grooming sessions, among other things. The researchers acknowledge that the combination of interactions that humans have with horses may lead to a horse's positive association with grooming or petting. However, they also point out that while humans are a very tactile species, horses actually have limited physical contact with each other in their natural lives, and the assumption that they enjoy touch is probably a case of projecting our human feelings on to our animals.

Read more on horse behavior >>

Sankey C, Henry S, Górecka-Bruzda A, Richard-Yris M-A, Hausberger M (2010) The Way to a Man's Heart Is through His Stomach: What about Horses? PLoS ONE 5(11): e15446. doi:10.1371/journal.pone.0015446

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Is grooming better than treats for bonding with your horse?

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Reader Comments

Kate    Georgetown, CA

8/16/2013 10:33:26 AM

It would have been interesting to have done a similar study with TTouch, which significantly bonds the horse/human relationship. In performing a "vigorous" scratching like another horse, perhaps there's a missing link there. Thanks so much for being a meaningful publication/website in bringing your audience varied and valuable topics.

Amanda    Amsterdam, NY

8/16/2013 3:51:59 AM

My mare is very focused on whether or not I am paying attention to her when I am around her. Though, in my opinion she seems calmer when we both are doing something together. She really enjoys interacting with all types of people. I have noticed that she get's very quiet around little kids and babies...almost like she doesn't want to seem scary. :o)

Kiara    Deer River, MN

8/15/2013 5:52:14 PM

Personally, I think that grooming is a better reward if you are doing something for the horse, not to the horse. But treats work really well to, but my horse likes it more when I go out and spend time with her then going out and giving her a treat.

PKL    Somewhere, WY

8/5/2013 7:12:16 PM

Of course, treat will win, but it also good to use voice praise, and pats/scratching.

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