The Minitube SDM 1 Canine Photometer is a must-have tool for breeders and veterinarians performing canine semen analysis. Manufactured by Minitube, this photometer requires no dilution and offers automatic calibration for each sample, providing precise sperm concentration measurements. It is ideal for ensuring successful canine artificial insemination and breeding programs. Trusted for its accuracy and ease of maintenance, the Minitube SDM 1 is a leading choice for professional dog breeders worldwide.