Heat detection Daisy Paint water-based marking paint for efficient and cost-effective heat detection of cows increases insemination success, reduces the number of non-bearing animals and lowers reproduction costs the colour applied to the base of the tail is rubbed off by mutual mounting and makes animals in heat easily recognisable using a colour scheme, the animals can be identified differently depending on the cycle contains bitter substance significantly better visibility than with conventional marking pens and sprays available in four bright colours: red, blue, green and orange easy application of the colour using the optionally available tailpainter applicator