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An investigation of bovine serum copper levels in Lincolnshire and South Humberside
  1. MS Bain,
  2. JB Spence and
  3. PC Jones


Analysis of more than 2000 bovine serum samples showed a large monthly variation in copper levels. There was also a difference in levels between beef and dairy cows although all showed the same monthly pattern. This monthly variation was correlated with rainfall; the higher the rainfall the lower the copper level. The interpretation of single herd blood copper values must be considered carefully in view of this variation.

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