Effect of Dietary Tryptophan in Excess of the Requirement on Growth and Carcass Characteristics of Finishing Pigs1,2,3

Boomgaardt, 1973, Tryptophan requirement of growing pigs at three levels of dietary protein, J. Anim. Sci, 36, 303, 10.2527/jas1973.362303x Chung, 1991, Safety of l-Tryptophan for pigs, J. Anim. Sci, 69, 2955, 10.2527/1991.6972955x Lenis, 1990, Amino acid requirements of pigs. 1. Requirements for methionine + cystine, threonine and tryptophan of fast-growing boars and gilts, fed ad libitum, Neth. J. Agri. Sci, 38, 577 Lewis, 1977, Determination of the optimum dietary proportions of lysine and tryptophan for growing pigs based on growth, food intake and plasma metabolites, J. Nutr, 107, 1369, 10.1093/jn/107.8.1369 Lin, 1986, Tryptophan requirement of growing swine as determined by the oxidation of an indicator amino acid, J. Anim. Sci, 62, 660, 10.2527/jas1986.623660x Lin, 1988, A role for tryptophan in regulation of protein synthesis in porcine muscle, J. Nutr, 118, 445, 10.1093/jn/118.4.445 National Pork Producers Council, 1991 NRG, 1988 NSIF. National Swine improvement Federation, 1988 Sidransky, 1984, Nutritional control of protein synthesis: Studies relating to tryptophan-induced stimulation of nucleocytoplasmic translocation of mRNA in rat liver, Am. J. Pathol, 117, 298 Sidransky, 1990, Comparison of effects of L-Tryptophan and a tryptophan analog, D,L-β-(1-Naphthyl)alanine, on processes relating to hepatic protein synthesis in rats, J. Nutr, 120, 1157, 10.1093/jn/120.10.1157 Steel, 1980