Abstract:
:During their third and fourth years of life, triploid Atlantic cod Gadus morhua females exhibited diminished ovarian development at both macroscopic and microscopic levels, with significantly lower gonado-somatic indices (I(G)) and higher carcass yields (Y(C)) than diploid females during spawning periods. In contrast, diploid and triploid testes were indistinguishable through macroscopic and histological assessment. No significant differences were found in male I(G) or Y(C) in relation to ploidy, with the exception of a higher Y(C) for triploids during the first of the two monitored spawning seasons. As a result of suppressed oogenesis, triploid female G. morhua, but not triploid males, can be used to eliminate sexual maturation in this species and advance the development of the G. morhua aquaculture industry.
journal_name
J Fish Bioljournal_title
Journal of fish biologyauthors
Feindel NJ,Benfey TJ,Trippel EAdoi
10.1111/j.1095-8649.2011.02955.xsubject
Has Abstractpub_date
2011-06-01 00:00:00pages
1900-12issue
7eissn
0022-1112issn
1095-8649journal_volume
78pub_type
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