References
- Andrews , E.D. 1961 . Cobalt deficiency in sheep and cattle . New Zealand Department of Agriculture bulletin , 180 : 24 – 24 .
- Black , H. Notes on production related reference ranges for copper . Proceedings of the second Animal Health Division workshop in trace element analysis, Flock House . pp. 115 – 129 .
- Clark , R.G. Control of cobalt deficiency in the region serviced by Ruakura Animal Health Laboratory . Proceedings of the second Animal Health Division workshop in trace element analysis, Flock House . pp. 249 – 255 .
- Cornforth , I.S. 1981 . “ Soils and fertilisers: plant analysis — methods and interpretations ” . In AgLink AST , Vol. 9 , Wellington : New Zealand Ministry of Agriculture and Fisheries .
- Cornforth , I.S. and Sinclair , A.G. 1984 . Fertiliser recommendations for pastures and crops in New Zealand , 66 – 66 . Wellington : Agricultural Research and Advisory Services Divisions, New Zealand Ministry of Agriculture and Fisheries .
- Ellison , R.S. Workshop conclusions . Proceedings of the second Animal Health Division workshop in trace element analysis, Flock House.
- Forbes , E.A. 1976 . Cobalt, copper, and zinc in yellow-brown pumice soils under grazed, permanent pasture . New Zealand journal of agricultural research , 19 : 153 – 164 .
- Gardiner , M.R. 1977 . Cobalt in ruminant nutrition — a review . Department of Agriculture of Western Australia technical bulletin , : 4 – 4 .
- Kilhouse , J.F. , Kondo , H. , Allen , N.C. , Podell , E. and Allen , R.H. 1978 . Cobalamin analogues are present in human plasma and can mask cobalamin deficiency because current radioisotope dilution assays are not specific to true cobalamin . New England journal of medicine , 299 : 785 – 792 .
- Mew , G. 1981 . Soils, forestry and agriculture of the Grey Valley, South Island, New Zealand . New Zealand Soil Survey report , 46
- Millar , K.R. , Albyt , A.T. and Bond , G.C. 1984 . Measurement of vitamin B12in the livers and sera of sheep and cattle and an investigation of factors influencing serum B12 level in sheep . New Zealand veterinary journal , 32 : 65 – 70 .
- Morton , J.D. 1981 . The effect of trace elements on stock liveweight gain on West Coast soils . New Zealand journal of experimental agriculture , 9 : 135 – 140 .
- Morton , J.D. and Hannagan , R.B. 1983 . Soil and pasture nutrient status on yellow-brown earth soils of the West Coast, South Island . New Zealand journal of experimental agriculture , 11 : 153 – 160 .
- Osborn , P.J. , Bond , G.C. and Millar , K.R. 1983 . The distribution of copper, Vitamin B12 and zinc in the livers of sheep . New Zealand veterinary journal , 31 : 144 – 145 .
- Thompson , R.H. and Blanchflower , W.J. 1971 . Wet ashing apparatus to prepare biological materials for atomic absorption spectrophotometry . Laboratory practice , 20 : 859 – 859 .
- Underwood , E.J. 1977 . Trace elements in human and animal nutrition , New York : Academic Press .