Female pigs can recognise the sex of sperm and influence the sex of their offspring
Wednesday, May 21, 2014 - 07:30
in Biology & Nature
(Phys.org) —Female pigs' reproductive systems recognise whether a sperm will produce a boy or a girl before it reaches and fertilises the egg, and their oviduct (fallopian tubes) change in response, according to new research from the University of Sheffield and University of Murcia.