Browsing Bergen Open Research Archive by Author "Hamre, Kristin"
Now showing items 1-9 of 9
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1H NMR metabolic profiling of cod (Gadus morhua) larvae: potential effects of temperature and diet composition during early developmental stages
Chauton, Matilde Skogen; Galloway, Trine Falck; Kjørsvik, Elin; Størseth, Trond Røvik; Puvanendran, Velmurugu; van der Meeren, Terje; Karlsen, Ørjan; Rønnestad, Ivar; Hamre, Kristin (Peer reviewed; Journal article, 2015)Marine aquaculture offers a great source of protein for the increasing human population, and farming of, for example, Atlantic salmon is a global industry. Atlantic cod farming however, is an example of a promising industry ... -
Copepods enhance nutritional status, growth and development in Atlantic cod (Gadus morhua L.) larvae – can we identify the underlying factors?
Karlsen, Ørjan; van der Meeren, Terje; Rønnestad, Ivar; Mangor-Jensen, Anders; Galloway, Trine Falck; Kjørsvik, Elin; Hamre, Kristin (Peer reviewed; Journal article, 2015-05-19)The current commercial production protocols for Atlantic cod depend on enriched rotifers and Artemia during first-feeding, but development and growth remain inferior to fish fed natural zooplankton. Two experiments were ... -
Diet affects the redox system in developing Atlantic cod(Gadus morhua) larvae
Penglase, Samuel; Edvardsen, Rolf; Furmanek, Tomasz; Rønnestad, Ivar; Karlsen, Ørjan; van der Meeren, Terje; Hamre, Kristin (Peer reviewed; Journal article, 2015-08)The growth and development of marine fish larvae fed copepods is superior to those fed rotifers, but the underlying molecular reasons for this are unclear. In the following study we compared the effects of such diets on ... -
Dietary selenium required to achieve body homeostasis and attenuate pro-inflammatory responses in Atlantic salmon post-smolt exceeds the present EU legal limit
Prabhu, P. Antony Jesu; Holen, Elisabeth; Espe, Marit; Silva, Marta Sofia; Holme, May-Helen; Hamre, Kristin; Lock, Erik-Jan; Waagbø, Rune (Journal article; Peer reviewed, 2020)Selenium (Se) supplementation either as inorganic or organic form was evaluated in Atlantic salmon post-smolt in vivo and in vitro. The basal diet was formulated to be low in fish meal and contain 0.24 mg Se kg−1; six other ... -
Increasing the levels of the essential trace elements Se, Zn, Cu and Mn in rotifers (Brachionus plicatilis) used as live feed
Nordgreen, Andreas Hoel; Penglase, Samuel; Hamre, Kristin (Peer reviewed; Journal article, 2013-03-04)Rotifers are a common first feeding diet for rearing marine fish larvae. However, the levels of Mn, Cu, Zn, Se and iodine found in rotifers are low and may be insufficient to meet larval fish requirements. This study ... -
Iodine nutrition and toxicity in Atlantic cod (Gadus morhua) larvae
Penglase, Samuel; Harboe, Torstein; Sæle, Øystein; Helland, Synnøve; Nordgreen, Andreas Hoel; Hamre, Kristin (Peer reviewed; Journal article, 2013-02-19)Copepods as feed promote better growth and development in marine fish larvae than rotifers. However, unlike rotifers, copepods contain several minerals such as iodine (I), at potentially toxic levels. Iodine is an essential ... -
Ossification of Atlantic cod (Gadus morhua) – Developmental stages revisited
Sæle, Øystein; Haugen, Trine; Karlsen, Ørjan; van der Meeren, Terje; Bæverfjord, Grete; Hamre, Kristin; Rønnestad, Ivar; Moren, Mari; Lie, Kai Kristoffer (Peer reviewed; Journal article, 2017-02)In studies of marine larvae, it is common to use days post-hatch as a developmental reference point. We show that age is a poor measure of morphological and physiological development in Atlantic cod. Therefore, we propose ... -
Redox regulation in Atlantic cod (Gadus morhua) embryos developing under normal and heat-stressed conditions
Skjærven, Kaja Helvik; Penglase, Samuel; Olsvik, Pål Asgeir; Hamre, Kristin (Peer reviewed; Journal article, 2013-04)With regard to predicted oceanic warming, we studied the effects of heat stress on the redox system during embryonic development of Atlantic cod (Gadus morhua), with emphasis on the glutathione balance, activities of key ... -
The selenium content of SEPP1 versus selenium requirements in vertebrates
Penglase, Samuel; Hamre, Kristin; Ellingsen, Ståle (Peer reviewed; Journal article, 2015-09-10)Selenoprotein P (SEPP1) distributes selenium (Se) throughout the body via the circulatory system. For vertebrates, the Se content of SEPP1 varies from 7 to 18 Se atoms depending on the species, but the reason for this ...