Blar i NTNU Open på forfatter "Ahlstrøm, Øystein"
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Concentrations of vitamin A, E, thyroid and testosterone hormones in blood plasma and tissues from emaciated adult male Arctic foxes (Vulpes lagopus) dietary exposed to persistent organic pollutants (POPs)
Rogstad, Tonje Waterloo; Sonne, Christian; Villanger, Gro Dehli; Ahlstrøm, Øystein; Fuglei, Eva; Muir, Derek C.G.; Jørgensen, Even Hjalmar; Jenssen, Bjørn Munro (Journal article; Peer reviewed, 2017)The aim of the present study was to investigate the relationships and effects of oral POP exposure on retinol (vitamin A), α-tocopherol (vitamin E), thyroid hormones and testosterone in emaciated adult farmed Arctic foxes. ... -
Exposure to Persistent Organic Pollutants Reduces Testosterone Concentrations and Affects Sperm Viability and Morphology during the Mating Peak Period in a Controlled Experiment on Farmed Arctic Foxes (Vulpes lagopus)
Sonne, Christian; Torjesen, Peter A; Fuglei, Eva; Muir, Derek C. G.; Jenssen, Bjørn Munro; Jørgensen, Even Hjalmar; Dietz, Rune; Ahlstrøm, Øystein (Journal article; Peer reviewed, 2017)We investigated testosterone production and semen parameters in farmed Arctic foxes by dietary exposure to persistent organic pollutants (POPs) for 22 months. Eight male foxes were given a diet of POP-contaminated minke ... -
Mandibular shape in farmed Arctic foxes (Vulpes lagopus) exposed to persistent organic pollutants
Bradley, Madison M.; Perra, Megan; Ahlstrøm, Øystein; Jenssen, Bjørn Munro; Jørgensen, Even Hjalmar; Fuglei, Eva; Muir, Derek C.G.; Sonne, Christian (Journal article; Peer reviewed, 2018)We investigated if dietary exposure to persistent organic pollutants (POPs) affect mandibular asymmetry and periodontal disease in paired male-siblings of Arctic foxes (Vulpes lagopus). During ontogeny, one group of siblings ...