Artifical spawning of common tench [Tinca tinca L.] collected from wild populations

• Autorzy: Kucharczyk D , Kujawa R. , Mamcarz A. , Targonska K. , Krejszeff S. , Wyszomirska S.

Warianty tytułu

PL

Kontrolowany rozrod lina [Tinca tinca L.] pozyskanego z naturalnych populacji

• Języki publikacji: EN

Abstrakty

EN

Artificial spawning of tench collected from wild populations was studied under controlled conditions. In first part of present work, the accurate moment of applying hormonal injection was tested. The best results were obtained, when fish were stimulated between 1st and 3rd day after their collection. From tested hormonal combination (second part of work) ovopel containing GnRHa and dopamine antagonist: metoclopramide, produced the best results. All tested hormones influenced in high quality of oocytes. The differences were observed in the latency time. Fish stimulated by carp pituitary extract (CPE) ovulated much earlier than those stimulated by ovopel. Spawning techniques described in this paper were successful and provided consistent results in reproduction of tench collected from wild populations.

PL

W warunkach kontrolowanych przeprowadzono rozród lina pochodzącego z naturalnych populacji. Opisano wpływ czasu iniekcji (liczony od momentu pozyskania ryb) na efekty rozrodu. Wykazano, że najlepsze rezultaty osiąga się, gdy iniekcje hormonalne zostaną wykonane między 1. a 3. dniem od pozyskania tarlaków. W pracy testowano efekty podania rybom różnych środków hormonalnych, stosowanych w krajowym wylęgarnictwie. Wszystkie działały bardzo dobrze, czego wyrazem była wysoka przeżywalność embrionów (ponad 80%) do stadium zaoczkowania. Różnice między preparatami hormonalnymi obserwowano w czasie wystąpienia owulacji. Wykazano, że w warunkach kontrolowanych możliwe jest skuteczne przeprowadzenie rozrodu lina pochodzącego z naturalnych populacji. Najlepsze rezultaty otrzymano po zastosowaniu ovopel.

• Wydawca: -
• Czasopismo: Polish Journal of Natural Sciences
• Rocznik: 2007
• Tom: 22
• Numer: 1
• Opis fizyczny: p.107-115,fig.,ref.

Twórcy

autor

Kucharczyk D

• University of Warmia and Mazury in Olsztyn, Oczapowskiego 5, 10-718 Olsztyn, Poland

autor

Kujawa R.

autor

Mamcarz A.

autor

Targonska K.

autor

Krejszeff S.

autor

Wyszomirska S.

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