Lymphoid leukaemia in a cow.
An 18-month old Friesian heifer which had lost condition and had diarrhoea for several weeks was diagnosed by haematological and pathological examinations as having lymphocytic leukaemia. True lymphatic leukaemia has not previously been described in cattle and does not readily fit into presently accepted classifications of bovine leukosis.
Johnstone
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AC
Department of Veterinary Pathology and Public Health, Massey University, Palmerston North.