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Impaired gonadal development in the sea trout (Salmo trutta) × Atlantic salmon (Salmo salar) F1 hybrid females

Elżbieta Ziomek

Elżbieta Ziomek

Department of Ichthyology, University of Warmia and Mazury in OlsztynOlsztyn, Poland
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Ziomek, Elżbieta
, 
Marta Dębowska

Marta Dębowska

Department of Ichthyology, University of Warmia and Mazury in OlsztynOlsztyn, Poland
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Dębowska, Marta
, 
Piotr Hliwa

Piotr Hliwa

Department of Ichthyology, University of Warmia and Mazury in OlsztynOlsztyn, Poland
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Hliwa, Piotr
 y 
Konrad Ocalewicz

Konrad Ocalewicz

  • Department of Ichthyology, University of Warmia and Mazury in OlsztynOlsztyn, Poland
  • Department of Marine Biology and Ecology, Institute of Oceanography, University of GdańskGdynia, Poland
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Ocalewicz, Konrad
  
22 sept 2016
Impaired gonadal development in the sea trout (Salmo trutta) × Atlantic salmon (Salmo salar) F1 hybrid females's Cover Image
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Categoría del artículo: Original research paper
Publicado en línea: 22 sept 2016
Páginas: 337 - 343
Recibido: 04 ene 2016
Aceptado: 15 feb 2016
DOI: https://doi.org/10.1515/ohs-2016-0028
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© 2016 Faculty of Oceanography and Geography, University of Gdańsk, Poland. All rights reserved
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1

Metaphase spreads of the sea trout (2n = 80) (a), Atlantic salmon (2n = 58) (b) and sea trout × Atlantic salmon hybrid female (c) and hybrid male (d) (2n = 69) after fluorescence in situ hybridization with the fluorescein-conjugated telomere PNA probe. Chromosomes were counterstained with DAPI. Bar represents 5µm.
Metaphase spreads of the sea trout (2n = 80) (a), Atlantic salmon (2n = 58) (b) and sea trout × Atlantic salmon hybrid female (c) and hybrid male (d) (2n = 69) after fluorescence in situ hybridization with the fluorescein-conjugated telomere PNA probe. Chromosomes were counterstained with DAPI. Bar represents 5µm.

Figure 2

Cross-sections of gonads of the sea trout and Atlantic salmon hybrids: a – mosaic intersex; b – male at developing stage of maturation, c – male at spawning capable phase, d – female at developing stage of maturation. Descriptions: aca – atretic cortical alveolar oocyte, ca – cortical alveolar oocyte, og – oogonia, ol – ovarian lamellae, sg – spermatogonia, sc1 – primary spermatocytes, sc2 – secondary spermatocytes, sd – spermatids, sl – wall of seminiferous tubule, sz – spermatozoa
Cross-sections of gonads of the sea trout and Atlantic salmon hybrids: a – mosaic intersex; b – male at developing stage of maturation, c – male at spawning capable phase, d – female at developing stage of maturation. Descriptions: aca – atretic cortical alveolar oocyte, ca – cortical alveolar oocyte, og – oogonia, ol – ovarian lamellae, sg – spermatogonia, sc1 – primary spermatocytes, sc2 – secondary spermatocytes, sd – spermatids, sl – wall of seminiferous tubule, sz – spermatozoa

Figure 3

Dissection of the three-year-old adult sea trout × Atlantic salmon hybrid male (a) and female (b). Arrows indicate testes.
Dissection of the three-year-old adult sea trout × Atlantic salmon hybrid male (a) and female (b). Arrows indicate testes.
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