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Original Articles

Utilization of Urea and Molasses for Dairy Cattle Feeding

I. Response of Lactating Dairy Cows to Different Dietary Nitrogen and Energy Combinations

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Pages 215-227 | Received 15 May 1973, Published online: 09 Dec 2015

References

  • Agricultural Research Council (1965). The Nutrient Requirements of Farm Livestock No. 2 Ruminants. Agricultural Research Council, London.
  • Allison, M. J., Bryant, M. P. and Doetsch, R. N. (1958). Volatile fatty acid growth factor for cellulolytic cocci of bovine rumen. Science, 128, 474–490.
  • A.O.A.C. (1965). Official Methods of Analysis (10th ed.). Association of official Agricultural Chemists, Washington, D.C.
  • Bergen, W. G., Purser, D. B. and Cline, J. H. (1968). Effect of ration on the nutritive quality of rumen miorobial protein. J. Animal Sci., 27, 1497–1501.
  • Briggs, M. H. (1967). Urea as a protein Supplement. Ed. by Briggs, Pergammon Press.
  • Brody, S. (1945). Bioenergetics and Growth. Hafners Publ. Co. Inc., New York.
  • Bryant, M. P. and Robinson, I. M. (1963). Apparent incorporation of ammonia and amino acid carbon during growth of selected species of rumen bacteria. J. Dairy Sci., 46, 150–154.
  • Chalmers, Margaret I., Cuthbertson, D. P. and Synge, R. L. M. (1954). Ruminal ammonia formation in relation to the Protein requirements of sheep. I. Duodenal administration and heat processing influencing fate of case in supplements. J. Agr. Sci., 44, 254–262.
  • Chalupa, W. (1968). Problems in feeding urea to ruminants. J. Animal Sci., 27, 207–219.
  • Cocimano, M. R. and Leng, R. A. (1967). Metabolism of urea in sheep. British J. Nutr. 21, 353–371.
  • Conrad, H. R. and Hibbs, J. W. (1968). Nitrogen Utilization by the ruminant. Appreciation of its nutritive value. J. Dairy Sci., 51, 276–285.
  • Conway, E. J. (1950). Microdiffusion Analysis and Volumetric Error. Ed. 2 Crosby Lockwood and Son, London.
  • Davis, R. F., Williams, C. and Loosli, J. K. (1955). Feeding value and digestibility of cane molasses nutrients for dairy heifers. Ithaca, Cornell Agric. Expt. Sta. Bulletin, 914.
  • Doyse, C. W., Bartley, E. E., Pfost, H. B., Borean, F. W., Perry, H. B., Anstaett, F. R., Helmer, D., Stiles, D., Snug, A. C. and Meyer, R. (1968). An improved urea product for ruminants. J. Animal Sci., 27, 1163 (Abstr.).
  • F.A.O. (1971). Report A.G.A. 1971/4. Ad hoc consultation on the value of non-protein nitrogen for ruminants consuming poor herbage.
  • Glimp, H. A. and Tillman, A. D. (1964). Effect of Jackbean urease injections and chlortetracycline on rate of grain and feed efficiency in Swine, J. Animal Sci., 23, 963–966.
  • Hironaka, R., Bailey, C. B. and Kozub, G. C. (1970). Metabolic faecal nitrogen in ruminants estimated from dry matter excretion. Can. J. Animal Sci., 50, 55–60.
  • Hogan, J. P. and Weston, R. H. (1968). Proc. Aust. Soc. Anim. Prod., 7, 364 cited by R. F. Thornton. Aust. J. Agric. Res. 1970, 21, 145–152.
  • Hungate, R. E. (1966). The rumen and its microbes. Academic Press, New York.
  • Karue, C. N., Evans, J. L. and Tillman, A. D. (1972). Metabolism of dietary urea by Bos indicus (Boran) and Bos taurus (Hereford) Steers. E. Afr. Agric. For. J., 38, 94–101.
  • Loosli, J. K. and McDonald, I. W. (1968). Non-protein nitrogen in the nutrition of ruminants. F.A.O. Agricultural Studies No. 75.
  • McDonald, I. W. and Hall, R. J. (1957). The conversion of casein into microbial proteins in the rumen. Biochem. J., 67, 400–405.
  • McLaren, G. A. (1964). Symposium on microbial digestion in ruminants: Nitrogen metabolism in the rumen. J. Anim. Sci, 23, 577–590.
  • Mills, R. C., Lardinois, C. C., Rupel, I. W. and Hart, E. B. (1944). Utilization of urea and growth of heifer calves with corn molasses or cane molasses as the only available carbohydrate in the ration. J. Dairy Sci., 27, 571–578.
  • Mugerwa, J. S., Christensen, D. A. and Lawrence, Mary P. (1971). Utilization of urea by dairy cattle fed molasses and other energy sources available in Uganda. F.A.O. Report A.G.A. 1971/4. Ad hoc consultation on the value of Non-protein nitrogen for ruminants consuming poor herbage, 54–69.
  • Mugerwa, J. S., Christensen, D. A. and Lawrence, Mary P. (1971). Relationship of dietary non-protein nitrogen to urea kinetics in dairy cow. J. Nutr., 101, 1331–1342.
  • Mugerwa, J. S., Christensen, D. A. and Lawrence, Mary P. (1973). Utilization of urea-molasses for dairy cattle feeding. II. Urea-molasses as a supplement for lactating dairy cattle grazing improved pastures in Uganda. In press.
  • Muhrer, M. E., Herris, D. W. and Bloomfield, R. A. (1968). A reacted N.P.N, carbohydrate complex from urea, J. Ani. Sci., 27, 1770 (Abstr.).
  • National Research Council (1966). Nutrient requirements of dairy cattle. Publ. 1349. National Academy of Science, National Research Council, Washington, D.C.
  • Purser, D. B. (1970). Nitrogen metabolism in the rumen: Micro-organisms as a source of protein for the ruminant animal. J. Animal Sci., 30, 988–1001.
  • Sadhu, K. S., Jones, E. W. and Tillman, A. D. (1968). Effect of urease immunity on growth, digestion and nitrogen metabolism in ruminant animals. J. Animal Sci., 27, 1703–1708.
  • Virtanen, A. I. (1966). Milk production of cows on protein-free feed. Science, 153, 1603–1614.

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