Fourie, P.J.J.Roets, G.C.S.Du Toit, P.J.2016-07-132016-07-1320161939Fourie, PJJ & Roets GCS, 1939, ‘Quantitative studies upon porphyrin excretion in bovine congenital porphyrinuria (pink tooth) No. 2.', Onderstepoort Journal of Veterinary Science and Animal Industry, vol. 13, no. 2, pp. 369-382.0330-2465http://hdl.handle.net/2263/55522The articles have been scanned in colour with a HP Scanjet 5590: 300dpi. Adobe Acrobat XI Pro was used to OCR the text and also for the merging and conversion to the final presentation PDF-format.In this paper the authors intend to record results concerning the quantitative porphyrin excretion during different times of the year by bovines suffering from congenital porphyrinuria (pink tooth) and at the same time data are presented concerning the relative porphyrin excretion in bovine congenital porphyrinuria in a completely normal bovine and in apparently normal bovines.en© ARC – Onderstepoort and Faculty of Veterinary Science, University of Pretoria (original). © University of Pretoria. Department of Library Services (digital).Veterinary MedicineVeterinary Medicine -- South AfricaArticle