Estrotect - (Formerly Estrus Alert)
Device used to determine animals in standing heat. Easy to do! Keep Estrotect® warm before use, wipe application area with cotton towel so device will adhere to animal's hair, stick across the backbone, and check for heat in the morning and evenings. Signal layer will begin to show after the first mount. True standing heat can be detected after several mounts. Friction activated. Can be used in all weather conditions. Green. Package of 50.