Tiêu đề General Parasitology.pdf ✅

General Veterinary Parasitology K.DEVADA Emeritus Professor Department of Veterinary Parasitology CVAS, Mannuthy
VETERINARY PARASITOLOGY • Parasitology: The branch of science which deals the phenomenon of parasitism • Parasite:Derived from the Greek word- ‘Para’ means ‘beside’ and ‘sitos’ means ‘food’ • Parasite, is an organism that lives in or on another organism, the host, for a significant period of its life, harms the host and derives benefits from the host
History of Parasites • Francisco Redi: Father/ Founder of Parasitology • 1674 – Antony Van Leeuwenhoek observed first parasitic protozoa i.e. Eimeria stiedae from the gall bladder of rabbit (extraintestinal coccidia) • 1880 – Griffith Evans discovered first pathogenic trypanosome, Trypanosoma evansi from blood of horses and camels suffering from ‘surra’ in Punjab
History of Parasites ❖ 1893- Theobald Smith and Kilbourne first documented the transmission of a parasite, Babesia bigemina by an arthropod the cattle tick, Boophilus microplus (Rhipicephalus microplus) - First vector borne disease • 1897 – Ronald Ross found female Anopheles mosquito as the vector of human malarial parasites and got Nobel Prize • 1898 – Ronald Ross observed Culex fatigans as the vector of bird malaria parasite, Plasmodium relictum