{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,27]],"date-time":"2026-04-27T14:03:47Z","timestamp":1777298627496,"version":"3.51.4"},"reference-count":11,"publisher":"Cambridge University Press (CUP)","issue":"3-4","license":[{"start":{"date-parts":[[2009,4,6]],"date-time":"2009-04-06T00:00:00Z","timestamp":1238976000000},"content-version":"unspecified","delay-in-days":21372,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Parasitology"],"published-print":{"date-parts":[[1950,10]]},"abstract":"<jats:p>Doubt exists as to why, in endemic areas, a varying proportion of calves die of East Coast fever while others survive. A series of experiments was therefore conducted to ascertain if the number of infected <jats:italic>Rhipicephalus appendiculatus<\/jats:italic> engorging simultaneously on susceptible calves influenced the course of East Coast fever reactions. The ages of the calves used in the various experiments varied, but other conditions were kept as uniform as possible.<\/jats:p><jats:p>When ten calves were grazed in a 1-acre paddock where the number of infected <jats:italic>R. appendiculatus<\/jats:italic> was high, eight died of acute East Coast fever.<\/jats:p><jats:p>In the second experiment, seventeen calves in all were grazed in the same paddock. These calves were given some protection from infected <jats:italic>R. appendiculatus<\/jats:italic> infestation, as two of the calves were immune to East Coast fever and the ears of ten of the susceptible calves were sprayed with tickicidal solutions. Four died from acute East Coast fever and one of subacute East Coast fever complicated with a helminth infection.<\/jats:p>","DOI":"10.1017\/s0031182000018059","type":"journal-article","created":{"date-parts":[[2009,6,5]],"date-time":"2009-06-05T14:04:04Z","timestamp":1244210644000},"page":"195-209","source":"Crossref","is-referenced-by-count":15,"title":["An experimental study of East Coast fever in Uganda I. A study of the type of East Coast fever reactions produced when the number of infected ticks is controlled"],"prefix":"10.1017","volume":"40","author":[{"given":"S. G.","family":"Wilson","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"56","published-online":{"date-parts":[[2009,4,6]]},"reference":[{"key":"S0031182000018059_ref002","doi-asserted-by":"publisher","DOI":"10.1017\/S0031182000025026"},{"key":"S0031182000018059_ref006","doi-asserted-by":"publisher","DOI":"10.1017\/S0031182000022447"},{"key":"S0031182000018059_ref001","doi-asserted-by":"publisher","DOI":"10.1098\/rspb.1910.0016"},{"key":"S0031182000018059_ref003","volume-title":"Annual Report of the Department of Veterinary Science and Animal Husbandry, Tanganyika Territory for 1933","author":"Hornby","year":"1934"},{"key":"S0031182000018059_ref005","first-page":"31","volume-title":"Annual Report of the Veterinary Department for the year 1932","author":"Mettam","year":"1933"},{"key":"S0031182000018059_ref011","doi-asserted-by":"publisher","DOI":"10.1017\/S0007485300022525"},{"key":"S0031182000018059_ref007","first-page":"255","article-title":"Theileriasis in cattle in Northern Province, Nyasaland","volume":"56","author":"Wilson","year":"1944","journal-title":"Vet. Rec."},{"key":"S0031182000018059_ref010","doi-asserted-by":"publisher","DOI":"10.1017\/S0007485300022409"},{"key":"S0031182000018059_ref008","first-page":"47","article-title":"Some factors affecting the incidence of East Coast fever in Northern Province, Nyasaland","volume":"16","author":"Wilson","year":"1945","journal-title":"J. S. Afr. Vet. Med. Ass."},{"key":"S0031182000018059_ref004","doi-asserted-by":"publisher","DOI":"10.1017\/S003118200002446X"},{"key":"S0031182000018059_ref009","unstructured":"Wilson S. G. (1946). Ticks and tick-borne diseases in Nyasaland. Ph.D. Thesis, Edinburgh University."}],"container-title":["Parasitology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.cambridge.org\/core\/services\/aop-cambridge-core\/content\/view\/S0031182000018059","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,6,8]],"date-time":"2019-06-08T06:10:34Z","timestamp":1559974234000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.cambridge.org\/core\/product\/identifier\/S0031182000018059\/type\/journal_article"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1950,10]]},"references-count":11,"journal-issue":{"issue":"3-4","published-print":{"date-parts":[[1950,10]]}},"alternative-id":["S0031182000018059"],"URL":"https:\/\/doi.org\/10.1017\/s0031182000018059","relation":{},"ISSN":["0031-1820","1469-8161"],"issn-type":[{"value":"0031-1820","type":"print"},{"value":"1469-8161","type":"electronic"}],"subject":[],"published":{"date-parts":[[1950,10]]}}}