Veterinarian Tom Brennan had fallen out with Mark Kavanagh before the trainer had a horse return a positive test to cobalt, an inquiry has been told.

During the fourth day of the probe into cobalt positives returned by horses trained by Kavanagh and Danny O’Brien, a Racing Appeals and Disciplinary Board hearing was told the relationship between Brennan and Kavanagh soured over treatment and expenses for Australian Cup winner Super Cool.

The inquiry heard Super Cool had bleeding to a joint that needed attention.

Brennan said he provided correct veterinary care to Super Cool but Kavanagh continued to work the horse against the vet’s advice.

After receiving a bill of $25,000 for the work carried out on Super Cool, Kavanagh cut ties with Brennan as his stable vet.

Brennan was still working for Kavanagh when Magicool received a drip that later led to the horse returning an elevated reading to cobalt after winning at Flemington in October last year.

He described Kavanagh as irate when the trainer called him several months later after being told Magicool had returned a positive swab to cobalt.

Kavanagh and O’Brien have pleaded not guilty to their cobalt charges while Brennan has pleaded guilty to the majority of his charges except administration to affect the performance of the horses.

 
*Existing customers only. 2nd Racing bet. Excl SA & WA. T’s & C’s apply. Gamble responsibly.
Think. Is this a bet you really want to place?
Set a deposit limit.
Featured News

FREE BETS – Claim $1000’s in Bonus Bets at the TOP Betting Sites

We take a look at the BIGGEST and BEST Free Daily Racing Offers and Betting Promotions from Australia’s leading online...

CF Orr Stakes results and replay – (Shadhavar) 2026

View the results and replay for the 2026 CF Orr Stakes. The CF Orr Stakes was raced at Sandown racecourse...

Zipping Classic results and replay – (Kingswood) 2026

View the results and replay for the 2026 Zipping Classic. The Zipping Classic was raced at Sandown racecourse on Saturday,...

The Hunter results and replay – (General Salute) 2026

View the results and replay for the 2026 The Hunter. The The Hunter was raced at Newcastle racecourse on Saturday,...

Australia's Best Betting Sites

New Betting Sites Australia + Top List Bookmaker Apps $$$

Betting in Australia has never been more popular thanks to a large increase in new betting Agencies and Apps available...

Australian Bookmaker Reviews – Online Bookie Ratings $$

Which bookmaker should you bet with? We Review each of the leading online Australian Bookmakers and rate them in order...

Top 10 – Funniest Race Horse Names

Horse racing. Known as the ‘Sport Of Kings’, an industry worth billions, a very serious business…but to some, it’s a...

Melbourne Cup

The 2027 Melbourne Cup is set for Tuesday 2 November at Flemington Racecourse, with the race expected to jump at...

Railway Stakes

The is a race held at in Western Australia each year. The () boasts a total prize pool of making...

 
 
Think. Is this a bet you really want to place?
For free and confidential support call 1800 858 858 or visit gamblinghelponline.org.au