A Study on Seasonal Variability of Trace Elemental Status of Forages for Grazing Ruminants

REFERENCES

• Alfaro , E. , Neathry , M. W. , Miller , W. J. , Crowe , C. T. , Gentry , R. P. , Fielding , A. S. , Pugh , D. G. and Blackman , D. M . 1988 . Influence of wide range of Calcium intakes on tissue macro elements and micro elements in dairy calves . J. Dairy Sci. , 71 : 1295 – 1300 .
   PubMed Web of Science ®Google Scholar
• Aregheore , E M. 2002 . Voluntary intake and digestibility of fresh, wilted and dry Leucaena (Leucaena leucochepala) at four levels to a basal diet of guinea grass (panicum maximum) . Asian-Aust. J Animal. Sci. , 15 : 1139 – 1146 .
   Web of Science ®Google Scholar
• Beeson , K. C. and Matrone , G. 1976 . The Soil Factor in Nutrition: Animal and Human , New York : Marcel Decker, Inc. .
   Google Scholar
• Cox , H. R. 1973 . “ Micronutrients ” . In A Review of Soil Research in Tropical Latin America , Edited by: Sanchez , P. A. 182 – 189 . Raleigh , NC : North Carolina Agr. Exp. Sta. .
   Google Scholar
• Cuesta , P. A. , McDowell , L. R. , Kunkle , W. E. , Bullock , F. , Drew , A. , Wilkinson , N. S. and Martin , F. G. 1993 . Seasonal variation of soil and forage mineral concentrations in north Florida . Communications Soil Sci. Plant Anal. , 24 : 335 – 347 .
   Web of Science ®Google Scholar
• Espinoza , J. E. , McDowell , L. R. , Wilkinson , N. S. , Conrad , J. H. and Martin , F. G. 1991 . Monthly variation of forage and soil minerals in Central Florida. II. Trace Minerals . Communications Soil Sci. Plant Anal. , 22 : 1137 – 1149 .
   Web of Science ®Google Scholar
• Fick , K. R. , McDowell , L. R. , Miles , P. H. , Wilkinson , N. S. , Funk , J. D. and Conrad , J. H. 1979 . Methods of Mineral Analysis for Plant and Animal Tissues () , 2nd ed. , Gainesville , FL : University of Florida .
   Google Scholar
• Gomide , A. J. Mineral composition of grasses and tropical leguminous forages . Latin American Symposium on Mineral Nutrition with Grazing Ruminants . Edited by: Conrad , J. H. and McDowel , L. R. pp. 32 – 40 . Gainesville , FL : Univ. Florida. .
   Google Scholar
• Khan , Z. I. 2003 . Effect of seasonal variation on the availability of macro-and micro-nutrients to animals (sheep and goats) through forage from soil , Ph.D Thesis Faisalabad , , Pakistan : University of Agriculture .
   Google Scholar
• Khan , Z. I. , Hussain , A. , Ashraf , M. and McDowell , L. R. 2006 . Mineral status of soil and forages in south western Punjab, Pakistan . Asian-Australian Journal of Animal Sciences , 19 : 1139 – 1147 .
   Web of Science ®Google Scholar
• Khan , Z. I. , Hussain , A. , Ashraf , M. , Ashraf , M. Y. , McDowell , L. R and Huchzermeyer , B. 2007 . Copper nutrition of goats grazing native and improved pasture with seasonal variation in a semiarid region of Pakistan . Small Ruminant Research , 67 : 138 – 148 .
   Web of Science ®Google Scholar
• McDowell , L. R. 1985 . Nutrition of Grazing Ruminants in Warm Climates , New York : Academic Press New York .
   Google Scholar
• McDowell , L. R. 1992 . Minerals in Animal and Human Nutrition , San Diego , CA : Academic Press .
   Google Scholar
• McDowell , L. R. , Conrad , J. H. , Ellis , G. L. and Loosli , L. K. 1983 . Minerals for Grazing Ruminants in Tropical Regions , Gainesville , FL : Extension Bulletin Animal. Sci. Dept., Univ. of Florida .
   Google Scholar
• McDowell , L. R. , Conrad , J. H. and Ellis , G. L. Mineral deficiencies and imbalances, and their diagnosis . Symposium on Herbivore Nutrition in Sub-Tropics and Tropics-Problems and Prospects . Edited by: Gilchrist , F. M. C. and Mackie , R. I. pp. 67 – 88 . South Africa : Craighall .
   Google Scholar
• McDowell , L. R. and Valle , G. 2000 . “ Major minerals in forages ” . In Forage Evaluation in Ruminant Nutrition , Edited by: Givens , D. I. , Owen , E. , Oxford , R. F. E. and Omed , H. M. 373 Wallingford , , UK : CAB International .
   Google Scholar
• McKenzie , R. M. 1975 . “ The mineralogy and chemistry of soil cobalt ” . In Trace Elements in Soil-Plant-Animal system , Edited by: Nicholas , D. J. D. and Eagan , A. E. 83 – 93 . New York : Academic Press, Inc. .
   Google Scholar
• NRC (National Research Council) . 1985 . Nutrient Requirements of Domestic Animals. Nutrient Requirements of Beef Cattle, , 6th rev. ed. , Washington , DC : Natl. Acad. Sci. .
   Google Scholar
• NRC (National Research Council) . 1980 . Mineral Tolerance of Domestic Animals , Washington , D.C. : Natl. Acad. Sci. .
   Google Scholar
• NRC (National Research Council) . 1996 . Nutrient Requirements of Beef Cattle () , 7th Ed. , Washington , DC : National Academy of Sciences .
   Google Scholar
• Ogebe , P. O. and McDowell , L. R. 1998 . Mineral concentrations of forages grazed by small ruminants in the wet season in Benue State, Nigeria. II. Trace minerals and forage crude protein . Communications Soil Sci. Plant Anal. , 29 : 1211 – 1220 .
   Web of Science ®Google Scholar
• Perkin-Elmer Corp. 1980 . Analytical Methods for Atomic Absorption Spectrophotometry , Norwalk , CT : Perkin-Elmer Corp .
   Google Scholar
• Phillippo , M. , Humphries , W. R. , Atkinson , I. , Henderson , G. D. and Garthwaite , P. H. 1987a . The effect of dietary molybdenum and iron on copper status, puberty and oestrous cycle in cattle . J. Agric. Sci., Cambridge , 109 : 321 – 331 .
   Web of Science ®Google Scholar
• Phillippo , M. , Humphries , W. R. and Garthwaite , P. H. 1987b . The effect of dietary molybdenum and iron on copper status and growth in cattle . J. Agric. Sci., Cambridge , 109 : 315 – 320 .
   Web of Science ®Google Scholar
• Prabowo , A. , McDowell , L. R. , Wilkinson , N. S. , Wilcox , C. J. and Conrad , J. H. 1991 . Mineral status of grazing Cattle in South Sulawasi, Indonesia. 2-Microminerals . Asian-Aust. J. Animal Sci. , 4 : 21 – 130 .
   Google Scholar
• Reid , R. L. and Horvath , D. J. 1980 . Soil chemistry and mineral problems in farm livestock: a review . Animal. Feed Sci. Tech. , 5 : 95 – 167 .
   Web of Science ®Google Scholar
• SAS Institute . 1987 . SAS System for Linear Models , Cary , NC : SAS Institute Inc .
   Google Scholar
• Shem , M. N. , Machibula , B. P. , Sarwatt , S. V. and Fujihara , T. 2003 . Gliricidia sepium as an alternative protein supplement to cottonseed cake for smallholder dairy cows feed on Napier grass in Tanzania . Agroforestry system , 58 : 65 – 72 .
   Web of Science ®Google Scholar
• Steel , R. G. D. and Torrie , J. H. 1980 . Principles and Procedures of Statistics. A Biometrical Approach, () , 2nd Ed. , New York : McGraw Hill Book Co. .
   Google Scholar
• Tejada , R. , McDowell , L. R. , Martin , F. G. and Conrad , J. H. 1987 . Evaluation of cattle trace mineral status in specific regions of Guatemala . Trop. Agric. , 64 : 55 – 60 .
   Web of Science ®Google Scholar
• Tiffany , M. E. , McDowell , L. R , O'Connor , G. A. , Nguyen , H. , Martin , F. G. , Wilkinson , N. S. and Katzowitz , N. A. 2001 . Effects of residual and reapplied biosolids on forage and soil concentrations over a grazing season in north Florida. II. Microminerals . Communications Soil Sci. Plant Anal. , 32 : 2211 – 2226 .
   Web of Science ®Google Scholar
• Underwood , E. J. 1981 . The Mineral Nutrition of Livestock , Slough , , England : Commonwealth Agricultural Bureau . Underwood, E. J., N. F. Suttle. 1999. The Mineral Nutrition of Livestock (3rd ed.). Midlothian, U.K.
   Google Scholar
• Vargas , D. R. , McDowell , L. R. , Conrad , J. H. , Martin , F. G. , Buergelt , C. and Ellis , G. L. 1984 . The mineral status of cattle in Colombia as related to a wasting disease “secadera” . Trop. Animal. Proc. , 9 : 103 – 113 .
   Google Scholar
• Velasquez-Pereira , J. B. , McDowell , L. R. , Conrad , J. H. , Wilkinson , N. S. and Martin , F. G. 1997 . Mineral status of soils, forages, and cattle in Nicaragua. I. Micro-minerals . Rev. Fac. Agron. , 14 : 73 – 89 .
   Google Scholar