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Title
Nitrogen utilization and lean growth performance of 20- to 50-kilogram pigs fed diets balanced for lysine:energy ratio.
Abstract
The article explores the relationship between amino acids and dietary energy. It notes that several investigators have attempted to elucidate the relationship between energy level and dietary protein needs of the growing pig. It adds that urine was collected continuously over the 5-d collection period in a plastic collection vessel to which 10 ml of sulfuric acid was added daily.