Threonine has been shown to be one of the limiting amino acids in certain types of swine diets. Recent research indicates that the level of threonine required by the young growing pig may be greater than that suggested by the National Research Council (NRC). Research reported in the 1983 Swine Field Day Proceedings, indicated that lysine, threonine and tryptophan are the first three limiting amino acids in a corn-sunflower meal diet with lysine being most deficient. The trial reported, herein, was conducted to identify the optimum level of threonine required by the young growing pig fed a low protein, lysine supplemented corn-sunflower meal diet.
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Agricultural Experiment Station, South Dakota State University
Borg, B. S.; Libal, G. W.; and Wahlstrom, R. C., "Effect of Added Threonine in a Lysine Supplemented, Low Protein Corn-Sunflower Meal Diet" (1984). South Dakota Swine Field Day Proceedings and Research Reports, 1984. 6.