Ensure successful canine breeding with Dr. Orchards Ready to Use 3-Day Semen Extender for dogs and canines. Specially formulated for optimal semen preservation, this extender maintains sperm viability for up to 72 hours, making it ideal for semen transportation and artificial insemination. Trusted by breeders, Dr. Orchards' formula guarantees ease of use, reliability, and enhanced fertility outcomes. Maximize breeding success with the proven performance of Dr. Orchards' RTU Semen Extender. Using proper mix ratios , several tests have been conducted in Dr Orchards clinical setting. Sperm was healthy, and mobile during testing for the time period of 3 days minimum. The RTU Semen Extender comes in 2, 10 ML vials for a total supply of 20 ML. Mix Ratios of Sperm : Extender are determined by Semen Volume. For Transport, this ratio is 1:2 ( Semen : Extender ). Based on typical semen volume, 1 Box of RTU Semen Extender will support 2 Breedings.