A survey of the phosphorus content of pastures and the serum inorganic phosphorus content of dairy cows

References

• Agricultural Research Council . 1980 . The nutrient requirements of ruminant livestock , England : Published Commonwealth Agricultural Bureau .
   Google Scholar
• Barton , B.A. , Horst , R.L. , Jorgenson , N.A. and De Luca , H.F. 1981 . Concentration of calcium, phosphorus, and 1,25-Dihydroxyvitamin D in plasma of dairy cows during the lactation cycle . J. Dairy Sci. , 64 : 850 – 852 .
   PubMedGoogle Scholar
• Betteridge , K. and Sedcolc , J.R. 1982 . A survey of silage quality on Northland dairy farms . NZ Grassland Assoc. Proc. , 43 : 85 – 92 .
   Google Scholar
• Blood , D.C. and Henderson , J.A. 1974 . Veterinary Medicine , 4th Ed. , London : Published Bailliere Tindall .
   Google Scholar
• Brooks , H.V. , Cook , T.G. , Mansell , C.P. and Walker , G.A. 1984 . Phosphorus deficiency in a dairy herd . NZ vet. J. , 32 : 174 – 176 .
   PubMed Web of Science ®Google Scholar
• Clark , R.G. 1974 . Phosphorus deficiency on two farms in Canterbury . NZ vet. J. , 22 : 14 – 16 .
   PubMedGoogle Scholar
• Cohen , R.D.H. 1980 . Phosphorus in rangeland ruminant nutrition; A review . Livestock Production Sci. , 7 : 25 – 37 .
   Google Scholar
• Forar , F.L. , Kincaid , R.L. , Preston , R.L. and Hillers , J.K. 1982 . Variation in inorganic phosphorus in blood plasma and milk of lactating dairy cows . J. Dairy Sci. , 65 : 760 – 763 .
   PubMed Web of Science ®Google Scholar
• Kitchenham , B.A. , Rowlands , G.J. and Shorbagi , H. 1975 . Relationships of concentrations of certain blood constituents with milk yield and age of cows in dairy herds . Res. vet. Sci. , 18 : 249 – 252 .
   PubMedGoogle Scholar
• Kitchenham , B.A. and Rowlands , G.J. 1976 . Differences in the concentrations of certain blood constituents among cows in a dairy herd . J. Agric. Sci., Camb. , 86 : 171 – 197 .
   Web of Science ®Google Scholar
• Murphy , J. and Riley , J.P. 1962 . A modified single solution method for the determination of phosphate in natural waters . Anal. Chem. Acta. , 27 : 31 – 36 .
   Web of Science ®Google Scholar
• Mylrea , P.J. and Bayfield , A.S.T.C. 1968 . Concentration of some components in the blood and serum of apparently healthy dairy cattle . Aust. vet. J. , 44 : 565 – 569 .
   PubMedGoogle Scholar
• Payne , J.M. , Dew , S.M. , Manston , R. and Faulks , M. 1970 . The use of a matabolic profile test in dairy herds . Vet. Rec. , 87 : 150 – 158 .
   PubMed Web of Science ®Google Scholar
• Payne , J.M. and Leech , F.B. 1964 . Factors affecting plasma calcium and inorganic phosphorus concentrations in the cow with particular reference to pregnancy, lactation and age . Brit. vet. J. , 120 : 385 – 388 .
   Google Scholar
• Payne , J.M. , Rowlands , G.J. , Manston , R. and Dew , S.M. 1973 . A statistical appraisal of the results of metabolic profile tests on 75 dairy herds . Brit. vet. J. , 129 : 370 – 381 .
   PubMedGoogle Scholar
• Payne , J.M. , Rowlands , G.J. , Dew , S.M. and Parker , W.H. 1974 . A statistical appraisal of the results of metabolic profile tests on 191 herds in the BVA/ADAS joint exercise in animal health and productivity . Brit. vet. J. , 130 : 34 – 44 .
   PubMedGoogle Scholar
• Rowlands , G.J. , Manston , R. , Pocock , R.M. and Dew , S.M. 1975 . Relationship between stage of lactation and pregnancy and blood composition in a herd of dairy cows and the influence of seasonal changes in management on these realationships . J. Dairy Res. , 42 : 349 – 362 .
   Web of Science ®Google Scholar
• Smith , G.S. and Cornforth , J.S. 1982 . Concentrations of nitrogen, phosphorus, sulphur, magnesium, and calcium in North Island pastures in relation to plant and animal nutrition . NZ J. Agric. Res. , 25 : 373 – 387 .
   Web of Science ®Google Scholar