It is alleged that Ms Tubbs presented the horse ‘Cash Lover’ to race at Ballarat on 8 January 2020 when not free of the prohibited substance Aminorex.
http://www.harness.org.au/media-room...?news_id=43283
Aminorex is an amphetamine-like stimulant drug banned in racing and other equestrian competitions because horses given clinical doses would be hyperactive and may perform better.
https://www.horseandhound.co.uk/hors...hh-plus-705982
A brassica plant that can be found growing in pastures across the United States can result in horses failing a drug test, research findings suggest
https://www.horsetalk.co.nz/2019/12/...s-some-horses/
I wouldn't think Yellow Rocket could be a factor as it is a Winter weed
The race in question
http://www.harness.org.au/racing/fie...20#BAC08012009