Dipping and tick destruction : part 4

Abstract

This report deals more with the details of the actual attachment of the tick and the attendant infection of its host.The topics reported on are: Schedule I – Two charts illustrating the production of the disease East Coast fever by means of a single tick; Schedule II – Four charts showing that after attachment for a certain period to its host the tick loses its power of infection; Schedule III – Four charts illustrating the finding that the brown tick cannot infect its host until many hours after its effective attachment; Schedule IV – Three charts showing that the brown tick can not only reattach itself but can actually infect successive hosts; Schedule V – Two charts showing the ability of the horse to act as the host of, and convey the disease, by means of a single infectious tick; Schedule VI – A schema showing the exact period or phase of the tick’s attachment during which it is infectious; Schedule VII – A photograph of a group of regularly dipped equines to show that the animals are not affected in condition; Schedule VIII – Six microphotographs on the head of the tick; Schedule IX – Correspondence relating to effect of “Laboratory” dip upon wool;