A doe hits Peak Estrus for about 3 days. Whitetail Grounds is proud to offer this premium attractant to really get the bucks excited. Whitetail Grounds Trophy Blaster Certified Peak Doe Estrus is an unique blend of 100% natural Certified Peak Doe Estrus urine along with the key secret ingredient which draws bucks into your desired location. We strive to deliver safe and disease-free products that exceeds USDA standards and ATA Deer Protection Program guidelines in every bottle. Bottled and shipped fresh typically in less than 5 days.