Progress in extermination of cattle grubs (Hypoderma spp.): Summary of the symposium

A symposium on “Extermination of Cattle grubs (Hypoderma spp.)” was organized at the Seventh International Conference of the World Association for the Advancement of Veterinary Parasitology held at Thessaloniki, Greece, on 14–16 July 1975. The symposium dealt mainly with regional or national programs now operating for examination of cattle grubs in several countries, including Canada, Eire, the Federal Republic of Germany, France, Northern Ireland, Switzerland, and the U.S.S.R. Besides the papers published in this issue, papers were also presented on “Warble Fly Eradication in Eire” (Thornberry, 1975); “Changes in Immune Response to Hypoderma spp. in Cattle Treated With Fenthion” (Boulard, 1975); and “Eradication of Hypodermosis: Alternatives and Auxiliaries to Chemical Control Treatments” (J. Weintraub, unpublished data).