title: Investigations on Babesia motasi isolated from Wales.
abstract: A number of observations were carried out on the effect of the newly isolated parasite, Babesia motasi (Wales) on intact and splenectomised sheep and on a splenectomised goat. The parasite was not pathogenic for intact animals but caused fever and anaemia in splenectomised ones. B motasi (Wales) was also studied morphologically, morphometrically and serologically. The common form of the parasite was seen to be a double pyriform, the mean length of one side being 2.23 micrometer. It appeared to be morphometrically and serologically close to the other north European B motasi strains but distinct from B motasi (Turkey). In a limited serological survey, experience of infection with B motasi appeared to be common in sheep grazing in coastal areas of North Wales, but rare in a part of South Wales known to harbour the vector tick Haemaphysalis punctata. Transovarial transmission of B motasi by H punctata took place with facility.
mesh_terms: D000818:Animals; D000906:Antibodies / Q000032:analysis; D001403:Babesia / Q000166:cytology / Q000276:immunology; D001404:Babesiosis / Q000469:parasitology*; D006041:Goats / Q000469:parasitology; D012756:Sheep / Q000276:immunology; D012757:Sheep Diseases / Q000469:parasitology*; D013156:Splenectomy / Q000662:veterinary; D014852:Wales
chemical_list: D000906:Antibodies