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Heat affects speed of horses more than humans - study
The researchers analysed three international races in which humans and horses were pitted against each other.
Scientists analyse the effect of ambient temperature on running speeds.

A study by researchers at the University of Roehampton suggests that the speed of horses deteriorates in hot weather faster than it does in human beings.

Scientists analysed the effect of ambient temperature on the running speeds of humans and horses in races where the two species were pitted directly against each other.

Race times from three ‘Man v. Horse’ international races involving 260 humans and 358 horses with riders on courses of over 30 km in length were analysed. Researchers also looked at ambient race-day temperatures from archived weather records at the nearest weather station of similar elevation.

They found that for every 1ºC increase in ambient temperature on the day of a race, the pace of the horses decreased by on average 0.11 km/h. For humans, it decreased by 0.07 km/h - a 36 per cent smaller decrease.

At the highest race day temperatures, the quickest human runners were nearly as fast as the fastest horses.

Commenting on the findings, professor Lewis Halsey from the University of Roehampton and co-author independent researcher Dr Caleb Bryce, said: “Horses have superior cardiovascular systems to humans so it is not surprising that they are typically faster than humans in a head-to-head race. Yet the time gap between the two closes on hotter days.

“This finding was sometimes subtle but always apparent in each of the three race events we analysed. In simple terms, humans sweat more readily so they have an in-built cooling system which mitigates the effect of the heat. Horses are bigger, and don’t dump heat as effectively.”

They continued: “Although it’s a dying tradition, some human populations have hunted successfully by out-enduring their prey, running down large animals over the course of many hours in the heat of the day. It’s contentious as to whether humans are adapted specifically to do this, but the man versus horse data does suggest that humans are relatively well equipped to endure long-distance running at high temperatures.”

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Vets to run marathon for World Animal Protection

News Story 1
 Two recently graduated veterinary surgeons will be running the London Marathon in April to raise money for the charity World Animal Protection.

Alex Bartlett and Maeve O'Neill plan to run the race together if they are given the same start times.

Dr O'Neill said: "You're always limited in what you can do to help animals, so it is nice to raise money for a charity that helps animals around the world."

Dr Bartlett added: "I have never run a marathon before and am excited to run my first one for such a good cause!"

Both Dr Bartlett and Dr O'Neill have fundraising pages online. 

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News Shorts
BSAVA releases new Guide to Procedures

The British Small Animal Veterinary Association (BSAVA) has published a new edition of its Guide to Procedures for Small Animal Practice.

It has added four new procedures; cystostomy tube placement, endotracheal intubation, point-of-care ultrasound and wet-to-dry dressings.

BSAVA says that it is an essential step-by-step guide to diagnostic and therapeutic procedures performed in practice. The textbook includes new images and illustrations, as well as high-definition videos for use prior to procedures.

Nick Bexfield and Julia Riggs, editors of the new edition, said: "We have built upon the success of the previous editions by responding to the feedback received from the BSAVA readership, and hope this new guide helps to further increase the confidence and accuracy with which these procedures are performed."

Print copies are available in the BSAVA store, with a digital version in the BSAVA library.