Cause and occurrence of Ascaridia galli (Schrank, 1788) Freeborn, 1923 in chicken eggs

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V. F. Nikitin1, I. Pavlasek2 doctors of veterinary sciences
1 All-Russian Scientific Research Institute of Fundamental and Applied Parasitology of Animals and Plants named after K.I. Skryabin, 117218, Moscow, 28 Bolshaya Cheremushkinskaya str., e-mail:  
2 State Veterinary Institute, Prague, 6- Lysolaje, e-mail:

Analysis of the generalized literature reports and the own case of detection Ascaridia galli in chicken eggs is provided. Data on migration and unusual localization of these nematodes and larvae of species of the suborder Ascaridata are being discussed (Skryabin, 1915). The results allow us to presume that the incorrect localization of parasites is not casuistry but a component of parasites' evolution, their survival and expansion of their habitat. Description of morphology A. galli detected in a bird's egg is submitted.  Figures of separate body parts and organs A. galli are presented. The unusual localization of helminths is a result of changing physical and biochemical conditions of their habitat and biological competition with other inhabitants including own species at high intensity of infection. Measures of protection against ascariasis and its therapy are necessary to prevent ascarids (roundworms) in birds' eggs. The prevention measures consist in avoiding infection of birds. The results of coproovoscopy shown that birds’ dehelmintization contributes to their migration.

Keywords: nematodes, Ascaridia galli, migration, incorrect localization, eggs, chicken, prevention.


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© 2016 The Author(s). Published by All-Russian Scientific Research Institute of  Fundamental and Applied Parasitology of Animals and Plants named after K.I. Skryabin.
This is an open access article under the Agreement of 02.07.2014 (Russian Science Citation Index (RSCI)) and the Agreemnt of 12/06/2014 (CABI org / Human Sciences section)