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639.37:597.556.331.3 (1) |
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SM ISO690:2012 FULGA, Nina, TODERASH, Ion, NISTREANU, Victoria, BULAT, Dumitru, BULAT, Denis, RAILYAN, Nadejda. Characteristics of the reproductive system in sexually adult females of Sander lucioperca (L.) from different populations in the period of the reproductive cycle. In: Oltenia - studii si comunicari stiintele naturii, 2014, nr. 1(30), pp. 141-146. ISSN 1454-6914. |
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Oltenia - studii si comunicari stiintele naturii | ||||||
Numărul 1(30) / 2014 / ISSN 1454-6914 | ||||||
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CZU: 639.37:597.556.331.3 | ||||||
Pag. 141-146 | ||||||
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Histological studies of the reproductive system in Sander lucioperca females from different populations that live in the water bodies of the Dniester and the Prut basin were performed. It was found that in the females of Dubăsari reservoir the gonads contain two generations of oocytes, whereas in the individuals from Costesti - Stânca reservoir the ovary is filled with only one generation of eggs. In the individuals from Dubăsari reservoir with asynchronous oocyte development throughout the annual reproductive cycle, only one portion of the eggs is spawned, while the second generation of eggs undergoes resorption. As a result, S. lucioperca in both reservoirs spawns eggs only one time. |
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Cuvinte-cheie oocyte, Eggs, gonads, resorption, vitellogenesis, vacuolization, Sander lucioperca, oocit, icre, gonade, resorbţie, vitelogeneza, vacuolizare, Sander lucioperca |
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