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Study reveals calming effect of magnesium
Horse rider
Magnesium can help promote a more relaxed riding experience.

Slows a horses reaction speed by over a third

Magnesium can have a calming effect on horses, according to new research.

The study, conducted by the WALTHAM Equine Studies Group and Australian collaborators, shows that magnesium can significantly slow reaction speed responses in horses.

Researchers from the Charles Sturt University in New South Wales, Australia, investigated the effects of magnesium aspartate supplementation on the reaction speeds of six Standardbred geldings.

When 10g of magnesium was added to a roughage diet (clover/ryegrass/hay), which already provided the recommended daily intake of magnesium, the horses average reaction speed slowed down by over a third.

Without the supplement, the mean response time was 5.3 meters per second.
With the supplement this reduced to 3.1 meters per second.

Clare Barfoot, research and development manager at MARS Horsecare UK, said: "Although the benefits of magnesium have been well documented anecdotally, this study provides the first scientific evidence that magnesium aspartate, which is found in some behaviour supplements such as our own T.E.N. Positive Calm Behaviour Plus, may influence behaviour.”

The findings will be presented at the Equine Science Society in Florida later this month. 

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Applications open for MMI research grants

News Story 1
 RCVS' Mind Matters Initiative (MMI) has launched round two of its veterinary mental health research grants.

Researchers have until 11.59pm on Wednesday, 28 May 2025 to apply for a grant for research which reflects MMI's 2025 focus areas.

Only one Impact Grant was awarded last year, and so this year there are two Discovery Grants and one Impact Grants available. Each Discovery Grant is worth £5,000 and the Impact Grant is worth £15,000.

For more information or to apply, email researchgrants@rcvs.org.uk to contact the MMI team.

 

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News Shorts
Wales licenses Bluetongue vaccines for voluntary use

The Welsh government has approved three Bluetongue vaccines for emergency use in Wales.

From 1 March an online general licence will become available for the vaccines' use. They will then be obtainable on prescription and can be sold by veterinary practices.

After appropriate guidance, livestock keepers will be permitted to administer the vaccines themselves. The vaccines must be prescribed by a veterinary surgeon and detailed vaccination records must be kept for five years.

The decision comes as Bluetongue virus (BTV-3) continues to spread across England. The three vaccines are already licensed for use in England.

Richard Irvine, CVO for Wales, said: "This decision to licence these vaccines was informed by our recent risk assessment indicating that Wales is now at high risk of experiencing an incursion of Bluetongue this year.

"Our primary aim is to keep Bluetongue out of Wales through biosecurity, vigilance and safe sourcing of livestock."