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Thyroid hormones as biomarkers in grey seals
Marine Pollution Bulletin, 1998Changes in grey seal (Halichoerus grypus) serum thyroid hormones with age, sex and during lactation were investigated. Concentrations were related to polychlorinated biphenyl (PCB) uptake and exposure in pups and females. There was no effect of sex or stage of lactation on either free or total thyroxine (T4) and triiodothyronine (T3), but significant ...
Hall, Ailsa +4 more
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Halichoerus grypus (Grey seal)
1973Lung tissue culture of two neonatal animals were used for the karyotypes displayed. They are gifts of Dr. U. Arnason (University of Lund, Sweden). The karyotypes are arranged following his system which groups the chromosomes into metacentrics, submetacentrics and subtelocentrics.
T. C. Hsu, Kurt Benirschke
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Organochlorines in British grey seals
Marine Pollution Bulletin, 1973Abstract Further samples of the organochlorine content in tissues of grey seals from places around the British coast, show high levels of PCBs compared with DDT and dieldrin. Greater concentrations are recorded in North Sea seals than in those from the north and west coast.
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