Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Mieczysław Kowalewski"'
Publikováno v:
Archives of Polish Fisheries. 21
The huchen, Hucho hucho (L.), became extinct in its autochthonous locations in the upper parts of the Czarna Orawa and Czadeczka systems in the early 1950s as a result of increased anthropogenic stress. It began to be introduced into the Dunajec Rive
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1ab2997c41a25a1b26defbc626f06a1a
https://doi.org/10.2478/aopf-2013-0013
https://doi.org/10.2478/aopf-2013-0013
Publikováno v:
Archives of Polish Fisheries. 21
Anesthetics are a group of pharmaceuticals that have been used primarily in intensive fish culture to immobilize fishes and to reduce the effects of stress and mortality during and after manipulation and when transporting large stocks of fish. Noneth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7ee748b163edc88c5c4242491390556
https://doi.org/10.2478/aopf-2013-0023
https://doi.org/10.2478/aopf-2013-0023
Publikováno v:
Acta Ichthyologica et Piscatoria 23(2): 139-145
Spermatozoa quality of two grayling (Thymallus thymallus L.) populations: free-living and bred in ponds, was compared. The percentage of spermatozoa activated upon contact with water, time of progressive movement (turbulent and smooth phase), time of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::59240ba79e2c6990288d033ad8e218b8
https://doi.org/10.3750/aip1993.23.2.09
https://doi.org/10.3750/aip1993.23.2.09
Publikováno v:
Acta Ichthyologica et Piscatoria 19(2): 21-28
The most intense growth of grayling ovaries takes place in autumn and winter (September-March), of testes-in summer (July-September). Older females and males all seasons have a higher GSI, and the diameter of developing eggs is higher.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::098ff5d75acc1353d25d2a9461db8ee0
https://doi.org/10.3750/aip1989.19.2.02
https://doi.org/10.3750/aip1989.19.2.02
Autor:
Mieczysław Kowalewski, Andrzej Sobociński, Lucjan Tomasik, Aleksander Winnicki, Krzysztof Formicki
Publikováno v:
Acta Ichthyologica et Piscatoria 19(2): 29-35
Observations of the Danube salmon spermatozoal motility and spermatocrit were conducted. Sperm was tested immediately after spawning and during its prolonged storage.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f9cb3e890d5abff42a429aec80e586fd
https://doi.org/10.3750/aip1989.19.2.03
https://doi.org/10.3750/aip1989.19.2.03
Publikováno v:
Acta Ichthyologica et Piscatoria 15(1): 73-81
Column and thin-layer chromatography was taken advantage of to study the occurrence of particular carotenoids in different parts of grayling body. As a result, 20 carotenoids were identified, in this also salmoxanthin, i.e. the carotenoid typical of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::16c4a2114fcff4493e20485cba3257bf
https://aiep.pensoft.net/article/25050/
https://aiep.pensoft.net/article/25050/