References

AOAC., 1990. Official Methods of Analysis. 15th Edn., Association of Official Analytical Chemists, Arlington, Pages: 1230.

Devendra, C. and C.C. Sevilla, 2002. Availability and use of feed resources in crop-animal systems in Asia. J. Agri. Syst., 71: 59-73.

Goering, H.K. and P.J. Van Soet, 1970. Forage fiber analyses (apparatus, reagents, procedures and some applications). Agriculture Handbook No. 379, ARS-USDA, Washington, DC., USA., pp: 1-20. http://naldc.nal.usda.gov/download/CAT87209099/PDF.

Gowda, N.K., J.V. Rammana, C.S. Prasad and K. Sing, 2004. Micronutrient content of certain tropical conventional and unconventional feed resources of Southern India. Trop. Anim. Health Prod., 36: 77-94.
PubMed  |  Direct Link  |  

Holechek, J.L., M.L. Galyean, J. D. Wallace and H. Wofford, 1985. Evaluation of faecal indices for predicting phosphorus status of cattle. Grass Forage Sci., 40: 489-492.
CrossRef  |  

Holtenius, K., C. Kronqvist, E. Briland and R. Sporndly, 2008. Magnesium absorption by lactating dairy cows on a grass silage-based diet supplied with different potassium and magnesium levels. J. Dairy Sci., 91: 743-748.
CrossRef  |  Direct Link  |  

Khalili, M., E. Lindgren and T. Varvikko, 1993. A survey of mineral status of soils, feeds and cattle in the selale ethiopian highlands. I. macro elements. Trop. Anim. Health Prod., 25: 162-172.
PubMed  |  

Khorasani, G.R. and D.G. Armstrong, 1990. Effect of sodium and potassium level on the absorption of magnesium and other macrominerals in sheep. Liv. Prod. Sci., 24: 223-235.
CrossRef  |  

Khorasani, G.R. and D.G. Armstrong, 1992. Calcium, phosphorus and magnesium absorption and secretion in the bovine digestive tract as influenced by dietary concentration of these elements. Liv. Prod. Sci., 31: 271-286.
CrossRef  |  

Khorasani, G.R., R.A. Janzen, W.B. McGill and J.J. Kennelly, 1997. Site and extent of mineral absorption in lactating cows fed whole-crop cereal grain silage or alfalfa silage. J. Anim. Sci., 75: 239-248.
PubMed  |  

Kumagai, H., S. Swasdiphanich, P. Prucsasri, S. Yimmongkol, B. Rengsirikul and P. Thammageeratiwong, 1996. A study on the mineral status of beef and dairy catlle and buffalo in cental Thailand. Asian-Aust. J. Anim. Sci., 9: 525-531.

McDowell, L.R., 1985. Nutrition of Grazing Ruminants in Warm Climates. Academic Press, New York.

McDowell, L.R., 1996. Feeding minerals to cattle on pasture. Anim. Feed Sci. Technol., 60: 247-271.
CrossRef  |  

Minitab., 2010. Minitab Statistical Software, Release 16.1.1 for Window. Minitab Inc., State College PA., USA.

Moir, K.M., 1966. Diagnosis of phosphorus deficiency in grazing beef cattle. Queensland J. Agric. Anim. Sci., 23: 97-100.

Mokolopi, B.G. and D.E. Beighle, 2006. Evaluation of the mineral status of cattle on communal grazing in the North West province of South Africa. J. S. Afr. vet. Assoc., 77: 179-183.
CrossRef  |  PubMed  |  Direct Link  |  

Nordqvist, M., 2012. Assessing phosphorus overfeeding in dairy cows. Ph.D. Thesis, Swedish University of Agricultural Science, Uppsala Sweden.

Orden, E.A., A.B. Serra, S.D. Serra, C.P. Aganon, E.M. Cruz, L.C. Cruz and T. Fujihara, 1999. Mineral concentration in blood of grazing goats and some forage in the laha-laden area of central luzon, Philippines. Asian-Aust. J. Anim. Sci., 12: 422-428.

Playne, M.J., M.G. Echevarria and R.G. Megarrity, 1978. Release of nitrogen, sulphur, phosphorus, calcium, magnesium, potassium and sodium from four tropical hays during their digestion in nylon bags in the rumen. J. Sci. Food. Agric., 29: 520-526.
CrossRef  |  

Preston, T.R. and R.A. Leng, 1987. Matching Ruminant Production Systems with Available Resources in the Tropics and Sub-Tropics. Penambul Books, Armidale, Australia, ISBN-13: 9780958829014, Pages: 245.

Sath, K., K. Borin and T.R. Preston, 2008. Survey on feed utilization for cattle production in Takeo province. Livestock Res. Rural Dev., Vol. 20.

Singh, S.P. and D. Rani, 1999. Assessment of sodium status in large ruminants by measuring the sodium-to-potassium ratio in muzzle secretions. Am. J. Vet. Res., 60: 1074-1081.
PubMed  |  

Suttle, N.F., 2010. Mineral Nutrition of Livestock. 4th Edn., CABI Publishing, London, ISBN: 9781845934729, Pages: 587.

Undersander, D., D.R. Mertens and N. Theix, 1993. Forage Analysis Procedures. National Forage Testing Association, Omaha, NE., pp: 54.

Underwood, E.J. and N.F. Suttle, 1999. The Mineral Nutrition of Livestock. 3rd Edn., CAB International, Wallingford, Oxon, UK., ISBN: 0851991289, Pages: 624.