{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T06:37:06Z","timestamp":1790404626786,"version":"4.1.0"},"reference-count":25,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[1998,1,3]],"date-time":"1998-01-03T00:00:00Z","timestamp":883785600000},"content-version":"vor","delay-in-days":2,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Hessilhead Wildlife Rescue Trust"},{"name":"Scottish Office Agriculture, Environment and Fisheries Department"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Veterinary Record"],"published-print":{"date-parts":[[1998,1]]},"abstract":"<jats:p>\n                    Increased mortality in a flock of non\u2010breeding mute swans (\n                    <jats:italic>Cygnus olor<\/jats:italic>\n                    ) on a Scottish loch was investigated. Postmortem examinations were carried out on eight adult and six immature swans. The commonest cause of death, found in eight birds, was lead poisoning associated with the ingestion of large lead fishing weights. Heavy parasitic burdens were found in five immature birds, involving combinations of the gizzard worm\n                    <jats:italic>Amidostomum<\/jats:italic>\n                    species, the thornyheaded worms\n                    <jats:italic>Polymorphus minutus<\/jats:italic>\n                    and\n                    <jats:italic>Profilicollis anatis<\/jats:italic>\n                    , and the tracheal trematode\n                    <jats:italic>Orchipedum tracheicola<\/jats:italic>\n                    . Other parasites of lesser significance were the biting louse\n                    <jats:italic>Trinoton anserinum<\/jats:italic>\n                    , the tapeworm\n                    <jats:italic>Wardoides nyrocae<\/jats:italic>\n                    , the hairworm Capillaria species and the intestinal trematode\n                    <jats:italic>Echinoparyphium recurvatum<\/jats:italic>\n                    . Eight of the 14 swans carried trematodes of the family Schistosomatidae, which may be involved in human cercarial dermatitis or \u2019swimmers\u2018 itch'. It is suggested that the increased mortality arose through a combination of increased numbers of swans on the loch, and a fall in the water level of the loch which exposed the birds to previously inaccessible lead fishing weights and to the intermediate hosts of a range of internal parasites.\n                  <\/jats:p>","DOI":"10.1136\/vr.142.1.13","type":"journal-article","created":{"date-parts":[[2010,10,4]],"date-time":"2010-10-04T23:03:59Z","timestamp":1286233439000},"page":"13-17","source":"Crossref","is-referenced-by-count":15,"title":["Lead poisoning and parasitism in a flock of mute swans (\n                    <i>Cygnus olor<\/i>\n                    ) in Scotland"],"prefix":"10.1002","volume":"142","author":[{"given":"T. W.","family":"Pennycott","sequence":"first","affiliation":[{"name":"Avian Health Unit SAC Veterinary Services Auchincruive Ayr KA6 5AE"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[1998,1,3]]},"reference":[{"key":"e_1_2_6_2_1","first-page":"23","volume":"41","author":"BAILEY T. A.","year":"1990","journal-title":"Wildfowl"},{"key":"e_1_2_6_3_1","volume-title":"The Mute Swan","author":"BIRKHEAD M.","year":"1986"},{"key":"e_1_2_6_4_1","first-page":"58","volume":"43","author":"BROWN M. J.","year":"1992","journal-title":"Wildfowl"},{"key":"e_1_2_6_5_1","first-page":"70","volume":"43","author":"BROWN M. J.","year":"1992","journal-title":"Wildfowl"},{"key":"e_1_2_6_6_1","first-page":"47","volume-title":"Slimbridge, British Trust for Ornithology, The Wildfowl and Wetlands Trust","author":"CRANSWICK P. A.","year":"1995"},{"key":"e_1_2_6_7_1","first-page":"264","volume-title":"Diseases of Poultry","author":"FICKEN M. 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