All thoroughbreds in Ireland will be liable for testing without notice on both licensed and unlicensed premises and CCTV cameras will be installed in stable yards at every course as part of stricter anti-doping measures to be deployed by Horse Racing Ireland.
HRI hope the new powers granted to the Irish Horseracing Regulatory Board (IHRB) by the Department of Agriculture will aid them in a "zero tolerance" approach to doping.
The previous agreement with the Irish Thoroughbred Breeders Association (ITBA) called for 24 hours notice before a tester's visit.
Leopardstown is currently the only racetrack in Ireland to have full surveillance of its stable area. The Curragh is close to installing full CCTV in its stable yard.
On Friday HRI said they will provide funding for the installation of CCTV cameras in the stable yards around the country.
The unannounced testing will involve blood, urine and hair samples.
HRI also promised "increased transparency and consistency of disclosure around reports into testing", with the first of a twice-yearly activity report from the IHRB to be issued at the end of June.
"Integrity around anti-doping is a top priority for the Irish racing and breeding industry," said HRI CEO Brian Kavanagh.
"People who set out to intentionally break the rules and use prohibited substances will be identified and prosecuted. They have no place in Ireland's world-renowned racing industry and all industry bodies are committed to zero tolerance in this area.
"We know from the number of tests performed each year, and from the variety of testing methods used, that Ireland has a robust system which operates at or above agreed global standards.
"Additionally, there is a stringent range of penalties that can be applied by the IHRB, which can go up to a lifetime ban for horses deliberately administered a substance prohibited at all times.
"In 2021, in excess of 4000 samples will be taken from racehorses in Ireland by the IHRB, and in the region of 25% will be out of competition tests or tests taken before horses come under the care of a licensed trainer.
Kavanagh also stated that up to 600 samples will be taken from horses for sale at public auction.
