US - To optimise performance in growing pigs, it is important to feed not only enough protein, but the right balance of amino acids. Research from the University of Illinois is helping to determine the correct ratio of threonine to lysine in pig diets, and how this ratio is affected by the fiber content of the diets.Hans H. Stein, professor of animal sciences at Illinois, explains that because producers are increasingly feeding lower-cost, high-fiber coproducts, it's important to understand how dietary fiber affects pigs' nutritional needs. "There's been some confusion about the ideal threonine to lysine ratio,” says Stein.“

　　为了优化猪的肥育性能，不仅需要饲喂足够的蛋白质，还需要适当比例的氨基酸。来自伊利诺伊大学的研究将有助于断定猪饮食中的苏氨酸与赖氨酸的正确配比，和饮食中的纤维成分对它们比例有着怎样的影响。伊利诺伊大学的动物科学系教授Hans H. Stein解释说：“由于生产商越来越多的使用成本更低、纤维成分更多的副产品，因此，知道饮食纤维对猪营养需求的影响是十分重要的，目前还存在一些关于苏氨酸对赖氨酸尽美配比的迷惑。”