Research on pigs may lead to answers for human male infertility

In the late 1990s the Finnish Yorkshire pig population was threatened by a genetic defect which spread at an alarming rate and led to infertility. The defective KPL2 gene in porcine chromosome 16 caused pig spermatozoa to be short-tailed and immotile. The recessive genetic defect did not cause any other symptoms in the pigs.

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<p><a href="http://www.physorg.com/news153392571.html">Research on pigs may lead to answers for human male infertility</a></p> <p>In the late 1990s the Finnish Yorkshire pig population was threatened by a genetic defect which spread at an alarming rate and led to infertility. The defective KPL2 gene in porcine chromosome 16 caused pig spermatozoa to be short-tailed and immotile. The recessive genetic defect did not cause any other symptoms in the pigs. </p>