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2. Brink, M. F. 1961. Potassium requirement of the immature ovine. Ph.D. Thesis, University of Missouri, Columbia.
3. The requirements and role of potassium in ovine nutrition;Campbell;Can. J. Anim. Sci.,1965
4. Sodium and potassium in cow's milk;Dawes;N. Z. J. Sci.,1965
5. Effects of dietary potassium upon growth, serum electrolytes and intrarumen environment of finishing beef steers;Devlin;J. Anim. Sci.,1969