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A parasitological study of 68 fishes belonging to seven species was conducted in July 2009. The fish species included the following: bleak, Alburnus alburmus (L.); roach, Rutilus rutilus (L.); rudd, Scardinius erythrophthalmus (L.); bream, Abramis brama (L.); ruffe, Gymnocephalus cernuus (L.); bullhead, Abramis bjoerkna (L.); gudgeon, Gobio gobio (L.). The aim of the study was to analyze the parasites...
The aim of the study was to compare fat and total cholesterol content in the meat of perch (Perca fluviatilis L.), ruffe (Gymnocephalus cernua L.), and bream (Abramis brama L.) caught in fall from Lake Gopło and the Włocławski Reservoir. Analyses were carried out on 128 fish. Fat was extracted from meat with the skin using the procedure of Folch et al. (1957), and the content of total cholesterol...
Celem badań było poznanie związków pomiędzy wiekiem ryb a stężeniami rtęci w ich organach: nerkach, mięśniach, skrzelach i wątrobach. Porównano ryby drapieżne (sandacz Stizostedion lucioperca L., 40 szt.) i niedrapieżne (leszcz Abramis brama L., 41 szt.), które odławiane były corocznie w latach 1997-2002 z Jezior Wojnowskich. Współczynniki korelacji między stężeniami rtęci w organach ryb a ich wiekiem...
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