Brand names appearing in this publication are for product identification purposes only. No endorsement is intended, nor is criticism implied of similar products not mentioned. K-State Research and Extension is an equal opportunity provider and employer. Recommended Citation Webster, M J.; Goodband, Robert D.; Real, D E.; Woodworth, J C.; Marsteller, T A.; Tokach, Michael D.; Unruh, John A.; Nelssen, Jim L.; DeRouchey, Joel M.; and Dritz, Steven S. (2001) "Interactive effects between paylean™

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... ctopamine HCl) and dietary lysine on finishing pig growth performance, carcass characteristics and tissue accretion," Kansas Agricultural Experiment Station Research Reports: Vol. 0: Iss Abstract A total of 432 pigs were used to evaluate the effects of Paylean and dietary lysine on finishing pig growth performance, carcass characteristics and tissue accretion. The 12 dietary treatments included Paylean (0, 4.5, and 9.0 g/ton) and 4 levels of lysine. For pigs fed no Paylean, lysine levels were 0.60, 0.80, 1.00, and 1.20%. For pigs fed 4.5 or 9.0 g/ton of Paylean, lysine levels were 0.80, 1.00, 1.20, and 1.40%. The results indicate that pigs fed Paylean need at least 1.0% dietary lysine to optimize growth, carcass parameters, and tissue accretion.; Swine Day, Manhattan, KS, November 15, 2001