<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The aim of this work was to compare the effectiveness of the application of two hormonal preparations (Ovopel and Ovaprim) in the controlled reproduction of nase, <italic>Chondrostoma nasus</italic> (L.). The experiment was conducted under natural thermal and light conditions. Positive effects of hormonal stimulation were obtained in both experimental groups. No oocytes were obtained from any of the females in the control group. The most highly synchronized ovulation was noted in females that had received Ovaprim. The results of this study confirm reports that female nase must be stimulated hormonally during artificial reproduction in captivity. The results also indicate that Ovaprim is a more effective preparation than is Ovopel.</p></abstract>

The aim of this work was to compare the effectiveness of the application of two hormonal preparations (Ovopel and Ovaprim) in the controlled reproduction of nase, Chondrostoma nasus (L.). The experiment was conducted under natural thermal and light conditions. Positive effects of hormonal stimulation were obtained in both experimental groups. No oocytes were obtained from any of the females in the control group. The most highly synchronized ovulation was noted in females that had received Ovaprim. The results of this study confirm reports that female nase must be stimulated hormonally during artificial reproduction in captivity. The results also indicate that Ovaprim is a more effective preparation than is Ovopel.

Reproduction of Nase, <italic>Chondrostoma Nasus</italic> (L.), Under Controlled Conditions

Department of Lake and River Fisheries, University of Warmia and Mazury, Olsztyn, Poland

Department of Applied Ecology, University of Łódź, Poland

International Institute of the Polish Academy of Sciences, European Regional Centre for Ecohydrology under the auspices of UNESCO, Łódź, Poland

Fisheries & Aquatic Life

Reproduction of Nase,  (L.), Under Controlled Conditions

The aim of this work was to compare the effectiveness of the application of two hormonal preparations (Ovopel and Ovaprim) in the controlled reproduction of...

Reproduction of Nase, Chondrostoma Nasus (L.), Under Controlled Conditions

Published Online: Mar 16, 2009

Page range: 355 - 362

DOI: https://doi.org/10.2478/s10086-008-0023-3

Keywords
NASE, HORMONAL STIMULATION, OVOPEL, OVAPRIM, GnRH

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