Temat: Gasterosteus aculeatus - Katalog OPAC zbiorów

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Tytuł:: Seasonal variation of parasite infection of three-spined stickleback [Gasterosteus aculeatus L.] in the Southern Baltic
Autorzy:: Morozinska-Gogol, J
Powiązania:: https://bibliotekanauki.pl/articles/837800.pdf
Data publikacji:: 2002
Wydawca:: Polskie Towarzystwo Parazytologiczne
Tematy:: parasite
seasonal variation
Baltic Sea
parasitic infection
Gasterosteus aculeatus
stickleback
Opis:: Seasonal changes of infection were observed in the case of some species of ectoparasites: Trichodina domerguei domerguei, T. tenuidens, Gyrodactylus arcuatus, and Thersitina gasterostei, as well as for endoparasites: Glugea anomala, Schistocephalus solidus, Diphyllobothrium ditremum, and Proteocephalus filicollis. Same seasonal changes in frequency of developmental stages were observed in the case of females T. gasterostei. The highest level of infection with ectoparasites was observed in spring and summer and was probably an effect of increase of the reproductive activity with increase of temperature. Infection with tapeworms was generally low and was a result of feeding activity and fish diet.
Źródło:: Annals of Parasitology; 2002, 48, 4
0043-5163
Pojawia się w:: Annals of Parasitology
Dostawca treści:: Biblioteka Nauki

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Tytuł:: Kokcydia ciernika - Gasterosteus aculeatus (L.)
Coccidia of stickleback Gasterosteus aculeatus (L.)
Autorzy:: Jastrzebski, M.
Pastuszko, J.
Kurska, E.
Badowska, M.
Powiązania:: https://bibliotekanauki.pl/articles/840874.pdf
Data publikacji:: 1988
Wydawca:: Polskie Towarzystwo Parazytologiczne
Tematy:: parazytologia
ryby
ciernik
Gasterosteus aculeatus
pasozyty zwierzat
kokcydia
Coccidia
inwazja pasozytnicza
ekstensywnosc inwazji
Opis:: Using the method of parasitological section and staining method H-E for histopathological sections, the author examined 281 indivuals of stickleback G. aculeatus (L.) during the years 1982-1985. In 65 individuals (lenght 2.5-6.0 cm) the presence of unsporulated oocysts of Eimeria aculeati Jastrzębski, 1984 in the intestine was found, in 27 fish of similar lenght - the presence of unsporulated oocysts of Eimeria żarnowskii Jastrzębski, 1982. Species was determined after sporulation of the oocysts in aquarium water, at 20°c. In the liver of two sticklebacks, 8.5 and 9.0 cm in lenght, numerous focuses with the oocysts of Eimeria gasterostei (Thélohan, 1890) Doflein, 1909 were found. In drying fresh smears of the liver a longitudinal, circumferential suture on the sporocyst wall was visible (fig. 1, 2) which made the authors revise the species and determine it as Goussia (Goussia) gasterostei (Thélohan, 1890) - s. Eimeria gasterostei (Thélohan, 1890) Doflein, 1909. G. gasterostei is a parasite new for Poland. Histopathological studies revealed the existence of intraplasmic meronts in the life cycle of E. aculeati, and these were classified by the authors in the following groups: 6-merozoit, 12-merozoit and 22-merozoit and are supposed to represent at least three generations of merogony. It was found that in the development of Eimeria żarnowskii the trophozoites and gamonts parasitise on the surface of the intestine epithelium (fig. 5, 6). In 19 of 265 fish two coccidia were found in the intestine: E. aculeati and E. żarnowskii. The extensity of the infection during the years 1982-85 is presented in table 1. The development forms of the parasites are presented in figs. 1-8.
Źródło:: Annals of Parasitology; 1988, 34, 1
0043-5163
Pojawia się w:: Annals of Parasitology
Dostawca treści:: Biblioteka Nauki

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