Quick tail-paint product lets farmers know when heat is on

A dairy farmer and AI technician has invented a successful gadget to allow farmers more easily and safely detect when their cows come into heat — and has launched it on the international market.
Liam O’Keeffe, a dairy farmer and AI technician in Ballydesmond on the Cork/Kerry border, came up with a device which allows farmers to ‘tail-paint’ cows in an easy, safe, faster and cleaner way in the parlour environment.