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Ann Acad Med Stetin, 2006; 52, 1, 19-23

MAGDALENA JABOROWSKA, WANDA KUŹNA-GRYGIEL, KINGA MAZURKIEWICZ-ZAPAŁOWICZ*

 

THE INFLUENCE OF THE METARHIZIUM FUNGI ON THE EMBRYONIC DEVELOPMENT OF ASCARIS SUUM

Katedra i Zakład Biologii i Parazytologii Medycznej Pomorskiej Akademii Medycznej

al. Powstańców Wlkp. 72, 70-111 Szczecin

Kierownik: dr hab. n. med. Wanda Kuźna-Grygiel

* Zakład Hydrobiologii Akademii Rolniczej w Szczecinie

ul. Kazimierza Królewicza 4, 71-550 Szczecin

Kierownik: dr hab. Kinga Mazurkiewicz-Zapałowicz

 

Summary

Purpose: The present study focused on the effect of two fungal species Metarhizium flavoviride and Metarhizium anisopliae on the embryonic development and viability of Ascaris suum larvae.

Results: Microscope examination revealed that the presence of the mycelium inhibited the egg development, compared to control. The fungus-exposed eggs featured zygote vacuolisation, irregular blastomere cleavage, and morphological disturbances in the stages of blastula, gastrula, and larva. The embryopathies were significantly more frequent in the eggs incubated with M. flavoviride. Also the mortality of the developed larvae was significantly higher after 60-day culture with M. flavoviride.

K e y w o r d s: Metarhizium flavovirideMetarhizium anisopliaeAscaris suum – embryogenesis. 

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