Preliminary investigations into the copper status of dairy cattle in Northland

Authors: Smith B
Publication: New Zealand Veterinary Journal, Volume 20, Issue 1-2, pp 13-14, Jan 1972
Publisher: Taylor and Francis

Animal type: Cattle, Livestock, Production animal, Ruminant
Subject Terms: Biosecurity, Copper, Trace elements, Diet/rations/food, Disease surveillance, Nutrition/metabolism, Poisoning - chemical
Article class: Correspondence

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Abstract: Over a period of years, copper deficiencies have been recognized in cattle from areas of Northland. There has been little attention given to the problem. It was decided this season to investigate the situation in more detail and from the results to date, it appears that copper deficiency is more widespread than previously thought, and there is a need to re-evaluate the copper status of certain New Zealand soils in the light of changing management. The deficiencies found bear a relationship not only to soil type, but to topdressing and the intensive farming methods practised today…

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