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Meeka M. Capozzalo, Jae Cheol Kim, John K. Htoo, Cornelius F.M. de Lange, Bruce P. Mullan, Christian Fink Hansen, Jan-Willem Resink, Phillip A. Stumbles, David J. Hampson & John R. Pluske. (2015) Effect of increasing the dietary tryptophan to lysine ratio on plasma levels of tryptophan, kynurenine and urea and on production traits in weaner pigs experimentally infected with an enterotoxigenic strain of Escherichia coli‡. Archives of Animal Nutrition 69:1, pages 17-29.
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