Length and age of first maturation of Flemish Cap cod (Gadus morhua) in 1993 with an histological study
4 páginas, 2 tablas, 2 figuras Ovaries of cod (Gadus morhua) caught on the Flemish Cap in July 1993 were analyzed histologically to calculate spawning frequency in both past and future spawning seasons. The percentage of females ripening for the first time was also studied. The cod length ranged fro...
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Northwest Atlantic Fisheries Organization
1996
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ftcsic:oai:digital.csic.es:10261/59548 2024-02-11T10:03:54+01:00 Length and age of first maturation of Flemish Cap cod (Gadus morhua) in 1993 with an histological study González, María Larrañeta, M. G. 1996 http://hdl.handle.net/10261/59548 en eng Northwest Atlantic Fisheries Organization http://archive.nafo.int/open/studies/s25/gonzalez.pdf Scientific Council Studies 25: 77-80 (1996) 0250-6432 http://hdl.handle.net/10261/59548 open Cod Flemish cap Histology Spawning artículo http://purl.org/coar/resource_type/c_6501 1996 ftcsic 2024-01-16T09:42:09Z 4 páginas, 2 tablas, 2 figuras Ovaries of cod (Gadus morhua) caught on the Flemish Cap in July 1993 were analyzed histologically to calculate spawning frequency in both past and future spawning seasons. The percentage of females ripening for the first time was also studied. The cod length ranged from 31 to 88 cm and the ages from 2 to 8 years. The occurrences of cortical alveoli in the ovaries was used as a criterion to indicate future spawners, and the postovulatory follicles as a criterion to indicate females which had spawned at least once. Ogives prepared for each criterion showed the 50% maturation at 50 cm length and 4 years old for future spawners, and the 50% maturation at 64 cm length and 5 years old was calculated for females which had spawned at least once. Peer reviewed Article in Journal/Newspaper Gadus morhua Digital.CSIC (Spanish National Research Council) |
institution |
Open Polar |
collection |
Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
English |
topic |
Cod Flemish cap Histology Spawning |
spellingShingle |
Cod Flemish cap Histology Spawning González, María Larrañeta, M. G. Length and age of first maturation of Flemish Cap cod (Gadus morhua) in 1993 with an histological study |
topic_facet |
Cod Flemish cap Histology Spawning |
description |
4 páginas, 2 tablas, 2 figuras Ovaries of cod (Gadus morhua) caught on the Flemish Cap in July 1993 were analyzed histologically to calculate spawning frequency in both past and future spawning seasons. The percentage of females ripening for the first time was also studied. The cod length ranged from 31 to 88 cm and the ages from 2 to 8 years. The occurrences of cortical alveoli in the ovaries was used as a criterion to indicate future spawners, and the postovulatory follicles as a criterion to indicate females which had spawned at least once. Ogives prepared for each criterion showed the 50% maturation at 50 cm length and 4 years old for future spawners, and the 50% maturation at 64 cm length and 5 years old was calculated for females which had spawned at least once. Peer reviewed |
format |
Article in Journal/Newspaper |
author |
González, María Larrañeta, M. G. |
author_facet |
González, María Larrañeta, M. G. |
author_sort |
González, María |
title |
Length and age of first maturation of Flemish Cap cod (Gadus morhua) in 1993 with an histological study |
title_short |
Length and age of first maturation of Flemish Cap cod (Gadus morhua) in 1993 with an histological study |
title_full |
Length and age of first maturation of Flemish Cap cod (Gadus morhua) in 1993 with an histological study |
title_fullStr |
Length and age of first maturation of Flemish Cap cod (Gadus morhua) in 1993 with an histological study |
title_full_unstemmed |
Length and age of first maturation of Flemish Cap cod (Gadus morhua) in 1993 with an histological study |
title_sort |
length and age of first maturation of flemish cap cod (gadus morhua) in 1993 with an histological study |
publisher |
Northwest Atlantic Fisheries Organization |
publishDate |
1996 |
url |
http://hdl.handle.net/10261/59548 |
genre |
Gadus morhua |
genre_facet |
Gadus morhua |
op_relation |
http://archive.nafo.int/open/studies/s25/gonzalez.pdf Scientific Council Studies 25: 77-80 (1996) 0250-6432 http://hdl.handle.net/10261/59548 |
op_rights |
open |
_version_ |
1790600280213028864 |