Reproduction of Merluccius merluccius (Actinopterygii: Merlucciidae) from the northern Atlantic coasts of Morocco based on histological analysis of gonads

  1. El Bouzidi, Chaimae 1
  2. Segner, Helmut 2
  3. Oufdou, Halima 3
  4. Benziane, Meryem 4
  5. Chiaar, Abberrahim 5
  6. Bakkali, Mohammed 6
  7. Hassani Zerrouk, Mounir 6
  1. 1 Research team in Biotechnology and biomolecular engineering, FSTT, Abdelmalek Essaadi University - Centre for Fish and Wildlife Health, Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern
  2. 2 Centre for Fish and Wildlife Health, Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern
  3. 3 Applied Economics Laboratory, Mohammed V University, Rue Nations Unies
  4. 4 Laboratoire de pèche, Centre régional de l’INRH de Tanger
  5. 5 Laboratoire Histopathologie/Parasitologie, Centre Spécialisé en Pathologie des Animaux Aquatiques, Centre régional de l’INRH de Tanger
  6. 6 Research team in Biotechnology and biomolecular engineering, FSTT, Abdelmalek Essaadi University
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Revista:
Scientia Marina

ISSN: 0214-8358

Año de publicación: 2023

Volumen: 87

Número: 3

Tipo: Artículo

DOI: 10.3989/SCIMAR.05315.069 DIALNET GOOGLE SCHOLAR lock_openAcceso abierto editor

Otras publicaciones en: Scientia Marina

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Resumen

La merluza (Merluccius merluccius) ocupa un lugar importante en la pesca de arrastre marroquí. A pesar del valor ecológico y comercial de esta especie, la biología reproductiva de las poblaciones de merluza europea en las aguas costeras marroquíes ha sido poco estudiada. Aquí, describimos las variaciones estacionales de la histología de las gónadas de la merluza recolectada desde agosto de 2017 hasta agosto de 2018 a lo largo de la costa atlántica norte de Marruecos. Los cambios histológicos se compararon con los cambios macroscópicos y se calculó la longitud corporal en la primera madurez (L50). Los resultados revelaron diferencias entre los estadios de madurez macroscópica e histológica de las gónadas. El L50 se estimó en 34,7 cm para las hembras y 28,6 cm para los machos (basado en la histología) y 30,6 cm para las hembras y 26,8 cm para los machos (basado en la macroscopía). Además, las observaciones de madurez ovárica indicaron la presencia de una estación de desove prolongada a lo largo del año, con un pico alrededor de enero y en pleno verano.

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Fuente de los datos: Dialnet