Article Text

A modified refractometer method as a practical aid to the epidemiological investigation of disease in the neonatal ruminant
  1. JF Reid and
  2. AA Martinez


A refractometer method for use on the farm, by the practising veterinary surgeon, to allow estimation of immunoglobulin levels of neonatal calf and lamb plasma is described. The results show that a good correlation exists between values obtained by this method and those obtained by the standard zinc sulphate turbidity method.

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