Estrotect Heat Detectors 10 pack Feeders and Bottles the detector's silver surface is

the detector's silver surface is rubbed off by the friction of the mounting and will begin to show the indicator colour (red

The Milk Bar 20 Calf Free Standing Feeder lets you leave your suckling calves to feed in their own natural pattern

aiding an easy transition to bucket feeding

The reliable choice in identifying cows in heat

Estrotect Heat Detectors 10 pack Feeders and Bottles the detector's silver surface isEstrotect works like a scratch card. When cows have been mounted, the detector's silver surface is rubbed off by the friction of the mounting and will begin to show the indicator colour (red, green, blue or fuschia). With each mount, the surface will gradually turn from silver to its indicator colour indicating a true standing heat. Indicator colour will be less prevalent in high stress environments, hot weather, high production or in crowded