Semen – the silent spreader of disease?

There has just been released an excellent review article on diseases transmitted potentially by semen to pigs by Dominiek Maes and others (2008) from the University of Ghent. It lists the number of infections, which can be transmitted by semen. It raises this question: are producers, breeders, countries even continents doing enough to control contamination of this very valuable product and its potential to spread infection? There has just been released an excellent review article on disea