The vitamin C question

This is a quite old question, which has yet to receive a definitive answer! Despite the fact that pigs, like most animals (excluding humans, primates, and guinea pigs), can readily synthesise enough vitamin C to cover their requirements, many manufactured diets and premixes contain large concentrations of this vitamin. Let’s explore this issue a bit further… This is a quite old question, which has yet to receive a definitive answer! Despite the fact that pigs, like most anima