The external parasites of sheep (195?)

A film shot at a sheep ranch in Australia; some sheep are affected by flies which damage the skin. Sheep parasitology is described with footage of the flies in action. These parasites damage fleece and maggots; their lifecycle is described. Find out more: https://wellcomecollection.org/works/dsczm95s

Видео The external parasites of sheep (195?) канала Wellcome Library