What the textbooks don’t tell you about… Betaine

While the inclusion of this nutrient in some pig diets has been suggested for several years, hardly any pig textbooks seem to mention it. A funny old nutrient – betaine! By John Gadd So what is betaine? Is it a vitamin? Not really, although it seems to spare the need for some of the fairly expensive ‘near-vitamin’, choline. Is it an amino-acid? No, but it helps spare the amount needed of the increasingly costly sources of the essential amino-acid methionine. Is it an energy sourc