Premium
Size and ATP Content of Unfertilized Eggs from Farmed and Wild Atlantic Salmon in Newfoundland
Author(s) -
Lush Lynn,
Burt Kimberley,
Hamoutene Dounia,
CamarilloSepulveda Nancy,
PerezCasanova Juan Carlos,
Kenny Sharon,
Goulet Pierre,
Hinks Ross,
Collier Clyde
Publication year - 2014
Publication title -
north american journal of aquaculture
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.432
H-Index - 41
eISSN - 1548-8454
pISSN - 1522-2055
DOI - 10.1080/15222055.2014.886648
Subject(s) - salmo , biology , context (archaeology) , fishery , human fertilization , aquaculture , zoology , fish <actinopterygii> , agronomy , paleontology
In Newfoundland and Labrador (hereafter, Newfoundland), all farmed Atlantic Salmon Salmo salar originate from the Saint John River, New Brunswick, strain, raising the question of potential impacts of escapees on wild, genetically distinct stocks. Unfertilized eggs of farmed and wild salmon were assessed for diameter, mass, adenosine triphosphate (ATP) content, and fertilization success, this is the first study to assess ATP content in Atlantic Salmon eggs. Results demonstrated that farmed salmon egg mass (0.1046 g), diameter (6.2 mm), and ATP content (0.0281 nmol/egg) were significantly lower than the same characteristics in wild salmon. Among and within females, variability in egg size was similar in both wild and farmed groups. This study lends some evidence to the fact that in the Newfoundland context, eggs of escaped farmed salmon may be less likely to produce viable, large larvae compared with their wild counterparts.