The 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. | Includes bibliographical references | A review of the literature is given. The reports on the efficacy and local tolerability of Surfen C show that the results obtained with the drug in various parts of Africa are conflicting. The results obtained were disappointing; the intramuscular inj. of Surfen C in the treatment of T. congolense infection in bovines and ovines is ineffective and, in bovines, likely to cause serious local reaction. | ab2018