Louw, J.G.Du Toit, P.J.2017-03-082017-03-0820171943Louw, JG 1943, 'Grass hay as a maintenance ration for sheep during winter’, Onderstepoort Journal of Veterinary Science and Animal Industry, vol. 18, nos. 1 & 2, pp. 191-196.0330-2465http://hdl.handle.net/2263/59329The 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.Constant live-weight has been used as criterion in measuring the maintenance requirement of adult sheep during winter. It has been found that an animal weighing 100 lb. requires 2.106 lb. of a grass hay, containing 1622 Calories of metabolizable energy, to maintain its weight at an approximately constant level.en© 1943 ARC - Onderstepoort and Faculty of Veterinary Science, University of Pretoria (original). © 2017 University of Pretoria. Dept. of Library Services (digital).Veterinary medicineVeterinary medicine -- South AfricaArticle