The Teagasc pig conference earlier this month was an excellent event, well attended by farmers and most I spoke to afterwards wanted to talk about worms,” said Aidan Byrne, MSD Animal Health.

Pig raising is no cinch. But hosts of U.S. citizens now want to raise pigs, and crowds of amateurs are trying it. Thirty to 40% of U.S. pigs die before they are old enough to kill. To save more U.S.