Kok, D.J.; Fourie, L.J.; Verwoerd, Daniel Wynand
(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1995)
An outbreak of lameness amongst Merino lambs, associated with the presence of Hyalomma ticks,
was investigated on a farm in the south-western Free State, South Africa. The purpose was to follow
the progress of the condition ...