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Keywords: grey seal
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Journal Articles
J Exp Biol (2012) 215 (16): 2904–2911.
Published: 15 August 2012
... primiparous and multiparous grey seal ( Halichoerus grypus ) females and used histological techniques to compare cell density, alveolar density and alveolar size within secretory lobules. Primiparous females had a significantly higher cell density compared with multiparous females throughout lactation...
Journal Articles
J Exp Biol (2004) 207 (10): 1615–1624.
Published: 15 April 2004
... underwater food sources. We measured the metabolic rates of eight captive grey seals, voluntarily diving in a quasi-natural setting. Oxygen consumption during post-dive surface periods was measured using open-flow respirometry, and dive behaviour of the seals was recorded using time depth recorders (TDRs...
Journal Articles
J Exp Biol (2000) 203 (15): 2323–2330.
Published: 1 August 2000
... in buoyancy, which in turn may influence diving behaviour. We examined the longitudinal changes in buoyancy and diving behaviour of 14 adult grey seals ( Halichoerus grypus ) during two periods that represent maximal contrast in body mass and composition. During both the post-moulting (PM) and pre-breeding...
Journal Articles
J Exp Biol (1994) 191 (1): 1–18.
Published: 1 June 1994
... utilisation when submerged. To assess these adaptations, breath-by-breath ventilation was studied in four adult grey seals (two male, two female, 160–250 kg), freely diving in a large outdoor tank where surface access was restricted to one breathing hole. The dive patterns obtained were similar to those...