Horses can feel just as much pain from whips as humans, study shows

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A landmark scientific paper published today shows that horses have the capability to feel as much pain from whipping as humans.

Key points:

Researchers have found a horse can feel the same amount of pain from whipping as a humanThey came to the conclusion by comparing nerve endings in horse and human skinSome racing figures argue whips do not hurt and are used as encouragement

The publication comes as the Australian racing industry is debating the use of whips and follows the $50,000 fine handed to jockey Kerrin McEvoy for excessive whip use in the Melbourne Cup.

Racing Victoria is leading a push to gradually phase out the use of whips altogether.

In a statement released in September, Racing Victoria chief executive Giles Thompson said: “Australian racing has been left behind when it comes to reforms on whip use.”

Racing NSW has a completely contrary view, with its CEO Peter V’Landys recently saying, “we’ve got to educate the public the whip doesn’t hurt”.

But the new study reported: “Humans and horses have the equivalent basic anatomic structures to detect pain in the skin.”

“Our conclusions are that we need to accept that the physical capacity of horses to accept pain is clear,” said the report’s author, Paul McGreevy, the Professor of Animal Behaviour and Animal Welfare Science at the University of Sydney.

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Jockey Kerrin McEvoy was fined $50,000 for excessive whip use in this year’s Melbourne Cup

Professor McGreevy said he was looking to understand “one of the holy grails in equine welfare — that is a sense of what horses may feel when they are contacted by a whip,” he said.

“There is physical evidence to inform the discussion and the debate around the ethics of whipping horses.”

The use of whips was debated yesterday at a board meeting of Racing Australia, but the organisation wouldn’t comment on its discussions.

Currently, jockeys can use padded whips five times in non-consecutive strides prior to the 100-metre mark of a race and at the riders’ discretion for the remainder of the race.

Racing Victoria believes that’s out of step with community values.

“Britain, Ireland, France, Germany and key states in the USA have either implemented or announced significant reductions in permitted whip use and have seen great competitive racing continue,” said Giles Thompson.

A screengrab of horses, running tightly next to each other.A screengrab of horses, running tightly next to each other.
Jockeys are allowed to use the whip five times before the 100-metre mark of a race, then at their discretion for the remainder of it.(Channel Ten)

Professor McGreevy’s team compared nerve endings in horse and human skin and found that while horse skin is thicker overall, it doesn’t insulate them from pain.

Professor McGreevy said the study, published in the peer-reviewed online journal Animals, is the first of its kind in the world.

The research was funded by RSPCA Australia, but Professor McGreevy, who initially trained and worked as a vet, said that does not constitute a conflict of interest and he was happy to take the funding.

“I’ve been studying horse behaviour and animal welfare science for nearly 30 years and I can see that these issues really do need to be addressed using a scientific framework,” he said.

“I always adhere to the scientific framework, but as a veterinarian, there is an expectation that I will advocate for animals.”

He said his team applied what’s called the “precautionary principle”, the assumption that humans and mammals feel similar sensations, a principle accepted by the National Health and Medical Research guidelines.

“We were interested in the thickness of the base layer, which is called the dermis and also the outer layer, called the epidermis, and what’s important is what lies between those two areas and that’s where the nerve endings are found,” Professor McGreevy said.

“We’re saying that although horse skin is thicker overall than human skin, the part of the skin that is thicker does not insulate horses from pain that is generated during a whip strike,” he said.

Two horses near the finish of the Melbourne Cup as the rider on left urges his mount with the whip.Two horses near the finish of the Melbourne Cup as the rider on left urges his mount with the whip.
Racing Victoria is leading a push to phase out the use of whips altogether.(AAP/Racing Photos: George Salpigtidis)

“Horses and humans have the equivalent basic anatomical structures to detect pain in the skin.”

Professor McGreevy recently published another paper in Animals comparing “whipping-free” races in Great Britain with “whipping-permitted” races.

“We found no significant difference to the movement of horses to the left or right across the course, the safety of jockeys and even the finishing times of races.”

But Kevin Ring, the Work Health and Safety Officer for the Australian Jockey’s Association and prior to that a jockey for 30 years, said whips are essential for safety.

“Every horse is different,” he said.

“Some react better to certain stimulus, some don’t, and others need encouragement, simple as that,” he said.

“This is about encouragement, not about hurting the animal.”

“I’ve hit myself with a padded whip and other people, it doesn’t hurt. It’s only there as a noise thing to encourage the horse.”

“Without the use of a whip, the horses learn to do whatever they like and that’s quite dangerous.”

But Professor McGreevy said UK studies have shown whip use can be associated with catastrophic falls.

“So here we have the prospect that tired horses are being whipped just prior to making a mistake and tripping or breaking a leg and of course that has a profound effect on the horse but above all the rider as well,” he said.

“As the industry accepts that its social licence to operate is vulnerable, the industry has to, I think, embrace the science on its own merits.”

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