{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,16]],"date-time":"2026-04-16T23:21:12Z","timestamp":1776381672095,"version":"3.51.2"},"reference-count":0,"publisher":"Cambridge University Press (CUP)","issue":"4","license":[{"start":{"date-parts":[[1998,10,1]],"date-time":"1998-10-01T00:00:00Z","timestamp":907200000000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Parasitology"],"published-print":{"date-parts":[[1998,10]]},"abstract":"<jats:p>The epidemiology of the sucking lice <jats:italic>Echinophthirius horridus<\/jats:italic>\n \nwas studied over a 4 year period in which their harbour \nseal hosts experienced marked inter-annual changes in food availability.\n \nPrevalence and intensity of infection varied in \nrelation to host age but not sex. Burdens were highest on immature seals,\n \nbut both prevalence and intensity of infection \nwere significantly higher in years when food availability was low. \nObserved intra-population variations in ectoparasite \ndynamics suggested that reported geographical differences in the prevalence\n \nof <jats:italic>E. horridus<\/jats:italic> may have resulted from \nmethodological differences. In contrast to previous studies of other \npinnipeds, lice were also absent on weaned pups, \nsuggesting that <jats:italic>E. horridus<\/jats:italic> is transferred horizontally. No \nsignificant differences were found in the haematological \nparameters of infected and uninfected hosts. Nevertheless, there was a\n \nsignificant negative correlation between intensity \nof infection and several erythrocyte parameters, suggesting that high \nburdens of lice may compromise diving ability.<\/jats:p>","DOI":"10.1017\/s0031182098003072","type":"journal-article","created":{"date-parts":[[2002,7,27]],"date-time":"2002-07-27T09:30:22Z","timestamp":1027762222000},"page":"393-403","source":"Crossref","is-referenced-by-count":31,"title":["Prevalence and intensity of the ectoparasite <i>Echinophthirius \nhorridus<\/i> on harbour seals (<i>Phoca vitulina<\/i>): effects of host\n \nage and inter-annual variability in host food availability"],"prefix":"10.1017","volume":"117","author":[{"given":"P. M.","family":"THOMPSON","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"H. M.","family":"CORPE","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R. J.","family":"REID","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"56","published-online":{"date-parts":[[1998,10,1]]},"container-title":["Parasitology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.cambridge.org\/core\/services\/aop-cambridge-core\/content\/view\/S0031182098003072","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,5,10]],"date-time":"2019-05-10T16:07:33Z","timestamp":1557504453000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.cambridge.org\/core\/product\/identifier\/S0031182098003072\/type\/journal_article"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1998,10]]},"references-count":0,"journal-issue":{"issue":"4","published-print":{"date-parts":[[1998,10]]}},"alternative-id":["S0031182098003072"],"URL":"https:\/\/doi.org\/10.1017\/s0031182098003072","relation":{},"ISSN":["0031-1820","1469-8161"],"issn-type":[{"value":"0031-1820","type":"print"},{"value":"1469-8161","type":"electronic"}],"subject":[],"published":{"date-parts":[[1998,10]]}}}