A world-first sperm extender is set to more than double the effectiveness of artificial insemination rates in horses and may also have implications for humans.

University of Newcastle scientists, Dr Zamira Gibb and Dr Aleona Swegen, have developed a revolutionary nutrient-rich liquid that enables collected horse semen to live for two weeks outside the body without the need to be frozen.

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Scientists develop new method for keeping horse sperm alive for longer at ambient temperatures