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1 October 2012 Sperm Sexing in the Cattle Industry
Hiroyuki Hayakawa
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Abstract

Sperm sexing using flow cytometry and cellsorting technology is now available for many mammalian species with approximately 90% accuracy. This technique has been applied only in the cattle livestock industry on a large-scale commercial basis. Frozen straw doses containing sexed bull sperm (usually marketed as ‘sexed semen’) have been sold in many countries for artificial insemination (Al) use. However, the cell-sorting process damages sperm physically/physiologically consequently compromising fertility results compared to conventionally processed sperm when used for Al or in vitro fertilization (IVF). Also, the production of sexed sperm is still limited and costly. Despite these biological and economic restrictions, sexed semen is widely accepted and the industry is awaiting further refinements to it because of growing demand.

©2012 Japanese Society of Mammalian Ova Research
Hiroyuki Hayakawa "Sperm Sexing in the Cattle Industry," Journal of Mammalian Ova Research 29(3), 119-123, (1 October 2012). https://doi.org/10.1274/jmor.29.119
Received: 29 June 2012; Accepted: 16 May 2012; Published: 1 October 2012
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KEYWORDS
Artificial insemination
Bull
cattle
Embryo transfer
Sperm sexing
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