Methods of influencing the sex of newborn with special regards to sex sorted semen

Abstract

The world's population and its demand for food, including animal products, is growing constantly and is higher than ever before. Besides that, problems like animal welfare and environmental protection are getting more and more important. Further the Sex of Newborn farm animals is one of the most important aspects in animal breeding and genetic progress. All these aspects lead to the desire to be able to influence the sex of newborn animals ideally before artificial insemination. Flow cytometry turned out to be the best suited technology for sex sorting today. During the past decades many advancements and improvements in this technology led to the development of commercially available sexed AI straws used by the cattle industry. Sexed semen products for other species are developed as well.