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    Wyświetlanie 1-3 z 3
    Tytuł:
    Angwillikoloza węgorza europejskiego - problem wciąż istotny
    ANGUILLICOLOSIS OF THE EUROPEAN EEL — STILL ACTUAL PROBLEM
    Autorzy:
    Własow, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/2149115.pdf
    Data publikacji:
    1995
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    pasozyty zwierzat
    choroby inwazyjne
    wegorz europejski
    parazytologia
    angwillikoloza
    nicienie
    Anguilla anguilla
    choroby zwierzat
    Anguillicola crassa
    zywiciele
    Opis:
    Some notes on anguillicolosis, parasitosis caused by Asiatic nematode Anguillicola living in the swimbladder of susceptible Anguilla anguilla L. are given: the distribution and spreading, the life cycle of ovoviviparous A. crassus and its ecology, pathogenicity for European eel and preventive measures.
    Źródło:
    Wiadomości Parazytologiczne; 1995, 41, 2; 193-198
    0043-5163
    Pojawia się w:
    Wiadomości Parazytologiczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Występowanie pasożytów u leszcza (Abramis brama L.), płoci (Rutilus rutilus L.) i sandacza (Stizostedion lucioperca L.) we Włocławskim Zbiorniku Zaporowym na rzece Wiśle
    The occurrence of parasites in bream (Abramis brama L.), roach (Rutilus rutilus L.) and pike perch (Stizostedion lucioperca L.) in the Wloclawek Dam Reservoir on the river Vistula
    Autorzy:
    Waluga, D.
    Własow, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/2152573.pdf
    Data publikacji:
    1988
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    parazytologia
    ryby
    leszcz
    Abramis brama
    ploc
    Rutilus rutilus
    sandacz
    Stizostedion lucioperca
    pasozyty zwierzat
    sklad gatunkowy
    wystepowanie
    zbiornik Wloclawek
    zbiorniki zaporowe
    rzeka Wisla
    Opis:
    Fish caught in the Włocławek Dam Reservoir during the years 1982-83 in April, July and August were parasitologically, anatomopathologically and histopathologically examined (cf. tab. 1). For histopathological examination fresh and stained permanent slides whenever necessary were made. In the studied fish parasitic protozoans (Flagellata, Sporozoa and Ciliata) as well as metazoans (flukes, tapeworms, nematods, crustaceans and, sporadically, molluscan glochidia) were found to occur. Within the first group the most important with respect to the extensity, and in some months also the intensity of infection were the Sporozoa of the genus Pleistophora (Microspora), then Myxobolus mülleri (Cnidosporidia) and Rhabdospora thelohani, within the second group - metacercariae of Diplostomum spathaceum and Tylodelphys clavatum. The parasite fauna of the bream and roach does not show any significant qualitative or quantitative differences, while in the parasite fauna of the pike perch - beside the parasites typical of this species - the parasites found also in the bream and roach i.e. in the cyprinids, dominate both qualitatively and quantitatively. Beside specific changes, characteristic of the infection with the parasitic metazoans, a higher intensity of invasion, especially in the case of Sporozoa, is accompanied by pathomorphological changes such as tissue damage, necrosis, blood supply disturbance swelling, inflammatoiry reaction with cell infiltrations and general emaciation. Such changes were not found in the great part of the fish stock, with a low intensity of infection.
    Źródło:
    Wiadomości Parazytologiczne; 1988, 34, 1; 65-75
    0043-5163
    Pojawia się w:
    Wiadomości Parazytologiczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Fish monogeneans from a shallow, eutrophic Oswin Lake in Poland
    Autorzy:
    Mierzejewska, K.
    Własow, T.
    Dzika, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/2144087.pdf
    Data publikacji:
    2006
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    lake
    parasite
    community composition
    fish
    parasite community
    Polska
    community structure
    eutrophic lake
    Monogenea
    eutrophication
    Lake Oswin
    Opis:
    A study was carried out in a shallow, eutrophic Oświn Lake, within Seven Islands Reserve (north-eastern Poland), in order to determine the infection of fish with monogeneans as sensitive indicators of water quality. This paper presents comparative analysis of the occurrence of Monogenea in fishes from two, distinctly separated pools of the lake, differing in environmental conditions. The impact of fish size and sampling season on the infection parameters was also analyzed. Material and methods. In 1998 and 1999, a total of 1091 fish representing 8 dominant species were examined. Samples were collected four times a year (in May, July, August, and October) simultaneously from the eastern and western parts of the lake. Results. 16 species of Monogenea (and some unidentified specimeus) occurred in the fish examined, most of them from the Dactylogyridae family: Dactylogyrus sphyrna, D. auriculatus, D. intermedius, D. anchoratus, D. falcatus, D. tincae, D. wunderi, D. zandti, D. difformis, D. nanus, D. distinguendus, D. crucifer, D. caballeroi. Furthermore, Tetraonchus monenteron (Tetraonchidae), Gyrodactylus elegans (Gyrodactylidae), and Paradiplozoon megan (Diplozoidae) were detected. Monogenea occurred abundantly on the gills of pike, roach, rudd, white bream, carp bream and crucian carp, but rather sporadically in tench and perch. The highest species variety and diversity of monogenean guilds were detected in carp bream and roach. It was proved that D. crucifer and D. difformis were significantly more abundant in the western pool compared to the eastern one. Infection of fish with Dactylogyridae was season-dependent, contrary to the infection of pike with T. monenteron. Intensity of infection of white bream with D. sphyrna and roach with D. crucifer increased with fish body length; such a relationship did not appear for the other monogeneans and their hosts. Conclusion. Presence of common Monogenea in the fish examined, lack of rare species, poor diversity of monogenean guilds and relatively low infection rate could be connected with the low stability of the lake environment. Location-dependent occurrence of D. crucifer and D. difformis indicated that the exchange between fish groups from the eastern and western parts of the lake is limited.
    Źródło:
    Wiadomości Parazytologiczne; 2006, 52, 1; 37-47
    0043-5163
    Pojawia się w:
    Wiadomości Parazytologiczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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