The sudden, mysterious deaths of horses on three separate properties in Victoria this month has prompted an investigation.

Agriculture Victoria has confirmed at least 10 deaths have occurred since July 4 and there have been unconfirmed reports of several more.

Thoroughbred owner in Narre Warren North, Nia Clarke, told Neil Mitchell she’s already lost two horses and another three are seriously unwell.

Press PLAY to hear her confusion of what’s happened to her horses

Equine Surgeon at Woodgrange Specialist Equine Hospital, Dr John Russell, is still trying to wrap his head around what has occurred which has led to so many horse deaths in the state.

Press PLAY to hear his take on the unusual circumstances + his advice to horse owners 

Image: Getty iStock