Effect of ingestion of soil on the iodine, copper, cobalt (vitamin B₁₂) and selenium status of grazing sheep

References

• Fecher , PA , Goldmann , I and Nagengast , A . 1998 . Determination of iodine in food samples by inductively-coupled plasma mass spectrometry after alkaline extraction . Journal of Analytical Atomic Spectrometry , 13 : 977 – 982 .
   Web of Science ®Google Scholar
• Grace , ND and Lee , J . 1990 . Effect of increasing Fe intake on the Fe and Cu content of tissues in grazing sheep . Proceedings of the New Zealand Society of Animal Production , 50 : 265 – 268 .
   Google Scholar
• Grace , ND , Rounce , JR and Lee , J . 1996 . Effect of soil ingestion on the storage of Se, vitamin B12, Cu, Cd, Fe, Mn, and Zn in the liver of sheep fed Lucerne pellets . New Zealand Journal of Agricultural Research , 39 : 325 – 331 .
   Web of Science ®Google Scholar
• Grace , ND , Knowles , SO and Sinclair , GR . 2001 . Effect of iodine supplementation of ewes fed pasture or a brassica crop prelambing on the incidence of goitre in newborn lambs . Proceedings of the New Zealand Society of Animal Production , 61 : 164 – 167 .
   Google Scholar
• Grace , ND , Knowles , SO , Sinclair , GR and Lee , J . 2003 a . Growth response to increasing doses of microencapsulated vitamin B12 and related changes in tissue vitamin B12 concentrations in cobalt-deficient lambs . New Zealand Veterinary Journal , 51 : 89 – 92 .
   PubMed Web of Science ®Google Scholar
• Grace , ND , Loganathan , P , Hedley , MJ and Wallace , GC . 2003 b . Ingestion of soil fluorine: its impact on the fluorine metabolism and status of grazing young sheep . New Zealand Journal of Agricultural Research , 46 : 279 – 286 .
   Web of Science ®Google Scholar
• Grace , ND , Knowles , SO , West , DM and Lee , J . 2004 . Copper oxide needles administered during early pregnancy improve the copper status of ewes and their lambs . New Zealand Veterinary Journal , 52 : 189 – 192 .
   PubMed Web of Science ®Google Scholar
• Grace , ND , Wilson , PR and Quinn , AK . 2005 a . The effect of copper-amended fertiliser and copper oxide wire particles on the copper status of farmed red deer (Cervus elaphus) and their progeny . New Zealand Veterinary Journal , 53 : 31 – 38 .
   PubMed Web of Science ®Google Scholar
• Grace , ND , Wilson , PR and Quinn , AK . 2005 b . Impact of molybdenum on the copper status of red deer (Cervus elaphus) . New Zealand Veterinary Journal , 53 : 137 – 141 .
   PubMed Web of Science ®Google Scholar
• Healy , WB . 1973 . “ Nutritional aspects of soil ingestion by grazing animals ” . In Chemistry and Biochemistry of Herbage , Edited by: Butler , GW and Bailey , RW . 567 – 588 . London, , UK : Academic Press .
   Google Scholar
• Healy , WB , Crouchley , G , Gillett , RL , Rankin , PC and Watts , HM . 1972 . Ingested soil and iodine deficiency in lambs . New Zealand Journal of Agricultural Research , 15 : 778 – 782 .
   Web of Science ®Google Scholar
• Hewitt , AE . 1993 . New Zealand Soil Classification , Lincoln, , New Zealand : Manaaki Whenua Landcare Research .
   Google Scholar
• Jago , J , Wilson , PE and Lee , BM . 1971 . Determination of sub-microgram amounts of cobalt in plant and animal tissues by extraction and atomic absorption spectroscopy . The Analyst , 96 : 349 – 353 .
   PubMed Web of Science ®Google Scholar
• Langlands , J P , Bowles , JE , Donald , GE and Smith , AJ . 1982 . The nutrition of ruminants grazing native and improved pastures. V. Effects of stocking rate and soil ingestion on the copper and selenium status of grazing sheep . Australian Journal of Agricultural Research , 33 : 313 – 320 .
   Google Scholar
• Lee , J . 1983 . Multi-element analysis of animal tissues by inductively-coupled plasma emission spectrometry . ICP Information Newsletter , 8 : 533 – 561 .
   Google Scholar
• Marston , HR . 1970 . The requirement of sheep for cobalt or for vitamin B12 . British Journal of Nutrition , 24 : 615 – 633 .
   PubMed Web of Science ®Google Scholar
• Maus , RW , Martz , FA , Belyea , RL and Weiss , MF . 1980 . Relationship of dietary selenium to selenium in plasma and milk from dairy cows . Journal of Dairy Science , 63 : 532 – 537 .
   PubMed Web of Science ®Google Scholar
• Rigg , T and Askew , HO . 1934 . Soil and mineral supplements in the treatment of bush sickness . Empire Journal of Experimental Agriculture , 2 : 1 – 9 .
   Google Scholar
• Somers , M and Gawthorne , JM . 1969 . The effect of dietary cobalt intake on the plasma vitamin B12 concentration of sheep . Australian Journal of Experimental Medicine and Science , 47 : 227 – 233 .
   PubMedGoogle Scholar
• Suttle , NF . 1974 . A technique for measuring the biological availability of copper to sheep using hypocupraemic ewes . British Journal of Nutrition , 32 : 395 – 405 .
   PubMed Web of Science ®Google Scholar
• Suttle , NF , Alloway , BJ and Thornton , I . 1975 . An effect of soil ingestion on the utilization of dietary copper by sheep . Journal of Agricultural Science , 84 : 249 – 254 .
   Web of Science ®Google Scholar
• Suttle , NF , Abrahams , P and Thornton , I . 1984 . The role of a soil x dietary sulphur interaction in the impairment of copper absorption by ingested soil in sheep . Journal of Agricultural Science , 103 : 81 – 86 .
   Web of Science ®Google Scholar
• Watkinson , JH . 1979 . Semi-automated fluorometric determination of nanogram quantities of selenium in biological materials . Analytica Chemica Acta , 105 : 319 – 325 .
   Web of Science ®Google Scholar
• West , DM and Sargison , ND . 1998 . Copper supplementation of grazing cattle using pasture topdressing and individual animal treatment . Proceedings of the New Zealand Grassland Association , 60 : 229 – 232 .
   Google Scholar
• Woolliams , JA , Suttle , NF , Wiener , G , Field , AC and Woolliams , C . 1983 . The long-term accumulation and depletion of copper in the liver of different breeds of sheep fed diets of differing copper content . Journal of Agricultural Science , 100 : 441 – 449 .
   Web of Science ®Google Scholar