Domestic pigs reproduce through a breeding process that is closely managed on farms around the world. During mating, a male pig, known as a boar, mounts the female, called a sow, in a behavior driven ...

Pity the modern boar: He roams the pen for a sow that's ready to breed and when he's about to, er, take action, a farmer appears with a catheter in his hands. The poor guy has been replaced by ...