No. 48 (2012)
Articles

Preliminary results of intraspecific sterlet hybrid (Siberian sterlet × sterlet) rearing under intensive conditions

Published July 31, 2012
https://doi.org/10.34101/actaagrar/48/2446
Authors
Tibor Feledi
Halászati és Öntözési Kutatóintézet, Szarvas
, Svetlana Lengyel
Halászati és Öntözési Kutatóintézet, Szarvas
, András Rónyai
Halászati és Öntözési Kutatóintézet, Szarvas
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Keywords
sterlet Siberian sterlet × sterlet hybrid production performance water temperature size heterogeneity
How to Cite
Selected stlye: APA
Feledi, T., Lengyel, S., & Rónyai, A. (2012). Preliminary results of intraspecific sterlet hybrid (Siberian sterlet × sterlet) rearing under intensive conditions. Acta Agraria Debreceniensis, (48), 17–19. https://doi.org/10.34101/actaagrar/48/2446
Dates
Published date: 2012-07-31
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Abstract

Due to early maturation and a small size, sterlet (Acipenserrut-henus) is a very advantageous fish for intensive sturgeon farming with regard to caviar production. According to our previous observations, the growth potential of Siberian sterlet (A.ruthenusmarsiglii) is higher than that of the European one. In our experiment, sterlet and an intraspecific hybrid (Siberian sterlet × sterlet) were tested under intensive tank conditions. During the 8 weeks of the experiment, survival, growth and size heterogeneity were investigated. According to the results, there were no significant differences in survival and growth but the size heterogeneity was higher in the hybrid. It is supposed that, in our trial, the applied water  temperature range (24.0–25.5 °C) was optimal for sterlet, but was probably above the optimal range for the hybrid.

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