Piroplasmida Flashcards

Question	Answer		Article
True or False: Both trans-stadial and trans-ovarian transmission can occur in Babesia species	True		Link to Article
What are the recognisable features of small Babesia species and give an example	Peripheral nucleus Obtuse angle B. divergens		Link to Article
What are the recognisable features of large Babesia species and give an example	Central nucleus Acute angle B. major		Link to Article
What are the predisposing features to Babesia infection?	Susceptible animals introduced into an infected area Infected ticks introduced into a clean area Infected cattle introduced into an area with clean ticks Temporary reduction in the tick population decreasing the transmission rate (causing enzootic instability) Infected are transported or stressed in other ways, e.g. parturition		Link to Article
What are the different vectors for Babesia species?	Ixodes ricinus for B. divergens Haemaphysalis for B. major Boophilus for B. bovis and B. bigemina Dermacentor and Rhipicephalus for B. canis		Link to Article
What species are the natural vectors for Cytauxzoon?	Ticks		Link to Article
Where do schizonts of Cytauxzoon felis develop?	In macrophages		Link to Article
What is the main condition caused by Theileria parva?	East Coast Fever		Link to Article
What is the main condition caused by Theileria parva and what is the intermediate host?	East Coast Fever Rhipicephalus appendiculatus		Link to Article
What is the pathogenesis of Theileria parva infections?	Proliferation in the lymphoblasts Proliferation in the local lymph node followed by spread throughout the body Lymphocyte depletion		Link to Article
What are the clinical signs of Theileria parva infection?	Pyrexia Enlarged local lymph node Loss of condition		Link to Article