Publications

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pollution-associated uterine lesions in grey seals from the liverpool bay area of the irish sea. 19892510393
the descriptive epizootiology of phocine distemper in the uk during 1988/89.the 'time, place, individual' approach, widely used in characterising human epidemics, was applied to the 1988 phocine distemper virus (pdv) epizootic affecting north sea seals. estimates of time of death from 157 (69%) of the 228 dead seals necropsied in 1988 indicated that the number of carcasses which were found more than 14 days post mortem increased as the epizootic progressed. although information provided by epizootic curves based on when and where carcasses were reported are affected by ...19921594933
organochlorine and mercury contamination in united kingdom seals.in 1988 and 1989 tissue samples were obtained from the grey seal (halichoerus grypus) population found in the dee estuary in the north west of england and from harbour seals (phoca vitulina) from the populations in the wash and north east scotland and analysed for mercury and organochlorine compounds. adult seals from the dee estuary were highly contaminated with mercury and polychlorinated biphenyls (pcbs), and one animal from the dee contained traces of dichlorodiphenyltrichloroethane (ddt), s ...19937682371
the impact of the 1993 braer oil spill on grey seals in shetland.signs of acute respiratory distress were reported in moulting grey seals (halichoerus grypus) hauled out on lady's holm, shetland, following the braer oil spill in january, 1993. behavioural observations carried out between 16 january and 13 february 1993 showed that the proportion of animals exhibiting a discharge of nasal mucus was significantly higher than the proportion at a control site in the north (papa stour). the proportion of animals affected on lady's holm increased for up to one mont ...19968685704
antibodies to brucella in marine mammals around the coast of england and wales.following the isolation of previously unrecognised species of brucella from stranded seals and cetaceans in scotland and northern england, a serological survey was carried out to investigate the range of marine mammal species which may have been exposed to brucella species around the coasts of england and wales, the prevalence of infection and the temporal and geographical distribution of seropositive animals. serum collected from 153 stranded marine mammals from the coasts of england and wales ...19979416675
causes of mortality and non-fatal conditions among grey seals (halichoerus grypus) found dead on the coasts of england, wales and the isle of man.a survey of the diseases detectable in 141 grey seals stranded on the coasts of england and wales away from breeding colonies was carried out between mid-1989 and early 1997. the most common fatal conditions in pups less than three weeks of age were trauma (24 per cent of deaths) and dystocia (12 per cent); in pups more than three weeks of age thy were starvation (22 per cent) and pneumonia (22 per cent); in juveniles they were drowning in fishing gear (30 per cent) and starvation (19 per cent), ...19989682418
conditions in grey seal pups (halichoerus grypus) presented for rehabilitation.a survey was carried out on the condition of 188 live grey seal (halichoerus grypus) pups presented for rehabilitation from the coasts of south-west england between 1992 and 1998. the survey was carried out to assess the incidence of malnutrition, hyperthermia, respiratory and gastrointestinal conditions, and also the incidence of traumatic, skin, oral and ocular lesions. malnutrition was a common finding in pups approaching weaning (mid-moult pups) and those at the point of weaning or postweani ...200010955881
entanglement of grey seals halichoerus grypus at a haul out site in cornwall, uk.entanglement in marine debris has been internationally recognised as a potential threat to marine species. sightings records and a photo identification catalogue from a haul out site in southwest england were used to establish entanglement records for grey seals halichoerus grypus. between 2004 and 2008 the annual mean entanglement rates varied from 3.6% to 5%. the maximum recapture period for entangled seals compared to paired control seals was significantly less (p=0.045) suggesting an increas ...201223117201
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