587. Metabolism of another feed additive: Smith, G. N., Thiegs, B. J. & Ludwig, P. D. (1963). THe metabolism of 3,5-dinitro-o-toluamide-C14 (Zoalene) in chickens. J. agric. Fd Chem. 11, 247. Idem (1963). The identification of 3,5-dinitro-o-toluamide (Zoalene) and possible metabolites by paper chromatography. ibid 11, 251. Idem (1963). Identification of the metabolites of 3,5-dinitro-o-toluamide-C14 (Zoalene) in chicken tissues. ibid 11, 253. Idem (1963). The isolation and identification of the amino-nitro-o-toluamide formed by the biological reduction of 3,5-dinitro-o-toluamide. ibid 11, 257