Overview of sexing sperm.

摘要: Hundreds of thousands off springs have been born as a result AI with sexed sperm. Although this technology has used for many species, the overwhelming majority pregnancies in cattle, nearly all sperm that were and subsequently frozen. The sexing not changed greatly past 7 years, but refinements speeded up process reduced damage to commercialization accelerated recently. However, is characterized by high costs, complexity implementation lower pregnancy rates than control Nevertheless, sexed, frozen bovine are being produced commercially countries, although from limited number bulls. main application date breed dairy heifers produce female calves. Because slow speed sperm, fewer per insemination dose conventional product often only slightly decreased. Successful use requires excellent management careful handling skilled inseminators. As costs decline, will be increasingly cattle breeding, horse breeding niche applications other species.