REFERENCES
- Chelliah , G. , Myer , R. O. , Carter , J. N. , McDowell , L. R. and Wilkinson , N. S. 2008 . Mineral concentrations of cool season pasture forages in North Florida during the winter-spring grazing season: II Trace minerals . Journal of Plant Nutrition , 31 : 1774 – 1788 .
- Chenoweth , P. J. and Sanderson , M. W. 2005 . Beef Practice: Cow-calf Production Medicine , Ames, IA : Blackwell Publishing Professional .
- Gomide , J. A. . Mineral composition of grasses and tropical leguminous forage . Proc. Latin American Symposium on Mineral Nutrition Research with Grazing Ruminants . Edited by: Conrad , J. H. and McDowell , L. R. pp. 32 – 40 . Gainesville, FL : University of Florida, Gainesville .
- Harris , W. P. and Popat , P. 1954 . Determination of phosphorus contents of lipids . Journal of American Oil and Chemical Society , 31 : 124 – 127 .
- McDowell , L. R. 1985 . Nutrition of Grazing Ruminants in Warm Climates , New York : Academic Press .
- McDowell , L. R. 1997 . Minerals for Grazing Ruminants in Tropical Regions , Gainesville, FL : Department of Animal Sciences, Center for Tropical Agriculture, University of Florida, Gainesville .
- McDowell , L. R. 2003 . Minerals in Animal and Human Nutrition, , 2nd Ed , Amsterdam : Elsevier Science B.V .
- McDowell , L. R. and Valle , G. 2000 . “ Major minerals in forages ” . In Forage Evaluation in Ruminant Nutrition , Edited by: Givens , D. I. , Ovens , E. , Axford , R. F. E. and Omed , H. M. 373 – 397 . Wallingford, , UK : CAB International .
- Miles , P. H. , Wilkinson , N. S. and McDowell , L. R. 2001 . Analysis of Minerals for Animal Nutrition Research, , 3rd ed. , Gainesville, FL : Department of Animal Sciences, University of Florida, Gainesville .
- Minson , D. J. 1971 . The nutritive value of tropical pastures . Journal of Australian Institute of Agricultural Science , 37 : 255 – 263 .
- Minson , D. J. 1990 . Forage in Ruminant Nutrition , New York : Academic Press .
- Moore , J. E. and Mott , G. O. 1974 . Recovery of residual organic matter from in vitro digestion of forages . Journal of Dairy Science , 57 : 1258 – 1259 .
- Morris , J. G. 1980 . Assessment of sodium requirements of grazing beef cattle: A review . Journal of Animal Science , 50 ( 1 ) : 145 – 152 .
- National Institute of Standards and Technology (NIST) . 1998 . Standard Reference Materials Catalog 1998–99. NIST Special Publication 260. , Gaithersburg, MD : Standard Reference .
- National Research Council (NRC) . 2000 . Nutrient Requirements of Beef Cattle, , 7th revised ed , Washington, DC : National Academy Press .
- Noel , R. J. and Hambleton , L. G. 1976 . Collaborative study of a semiautomated method for the determination of crude protein in animal feeds . Journal of Association of Official Analytical Chemists , 59 : 134 – 140 .
- Perkin-Elmer Corp . 1980 . Analytical Methods for Atomic Absorption Spectrophotometry , Norwalk, CT : Perkin-Elmer .
- Reid , R. L. and Horvath , D. J. 1980 . Soil Chemistry and mineral problems in farm livestock: A review . Animal Feed Science and Technology , 5 : 95 – 167 .
- Reid , R. L. , Baker , B. S. and Vona , L. C. 1984 . Effects of magnesium sulfate supplementation and fertilization on quality and mineral utilization of timothy hays of sheep . Journal of Animal Science , 59 : 1403 – 1410 .
- Robinson , D. L. 1985 . “ Potassium nutrition of forage grasses ” . In Potassium in Agriculture , Edited by: Munson , R. D. 895 – 914 . Madison, WI : American Society of Agronomy .
- Salih , Y. , McDowell , L. R. , Hentges , J. F. , Mason , R. M. Jr. and Wilcox , C. J. 1988 . Effect of mineral supplementation on grazing Brahman cattle. I. Macrominerals . International Journal of Animal Science , 3 : 195 – 204 .
- Schonewille , J. T. , Van't Klooster , A. T. , Wouterse , H. and Beynen , A. C. 1999 . Effects of intrinsic potassium in artificially dried grass and supplemental potassium bicarbonate on apparent magnesium absorption in dry cows . Journal of Dairy Science , 82 : 1824 – 1830 .
- Tilley , J. M. A. and Terry , R. A. 1963 . A two-stage technique for the in vitro digestion of forage crops . Journal of British Grassland Society , 18 : 104 – 111 .
- Towers , N. R. and Clark , R. G. 1983 . “ Factors in diagnosing mineral deficiencies ” . In The Mineral Requirements of Grazing Ruminants. , Hamilton, NZ : New Zealand Society of Animal Production .
- Underwood , E. J. and Suttle , N. F. 1999 . The Mineral Nutrition of Livestock, , 3rd ed , New York : CABI Publishing .
- Vogel , K. P. , Gabrielsen , B. C. , Ward , J. K. , Anderson , B. E. , Mayland , H. F. and Masters , R. A. 1993 . Forage quality, mineral constituents, and performance of beef yearlings grazing two crested wheat grasses . Agronomy Journal , 85 : 584 – 590 .