The effect of oxygen saturation on the growth and feed conversion of juvenile Atlantic cod ( Gadus morhua L.)
作者： Helgi Thorarensen , Arnþór Gústavsson , Snorri Gunnarsson , Jón Árnason , Agnar Steinarsson
DOI: 10.1016/J.AQUACULTURE.2017.04.002
关键词: Animal science 、 Fishery 、 Gadus 、 Biology 、 Aquaculture 、 Fish farming 、 Saturation (chemistry) 、 Hypoxia (environmental) 、 Feed conversion ratio 、 Atlantic cod 、 Oxygen saturation
摘要: Abstract In land-based fish farms, water quality can be controlled to support maximum growth and good feed conversion. Oxygen is an important parameter in aquaculture the objective of this study was detect range oxygen saturations that maximizes juvenile Atlantic cod. The (initial body mass 21.9 g) were reared at five different levels saturation: 65%, 81%, 103%, 121% 150% air saturation, for 98 days. At saturation under 100%, decreased linearly with progressively lower final 65% being 24% than 103% saturation. significantly higher (7%) Feed intake also affected by proportional while conversion ratio not levels. results suggest least 100% required obtain
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