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Research into the life history of Philophthalmus sp., recovered from geese in Bulgaria. I

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Summary

It has been established that the fresh-water snails Fagotia (Microcolpia) acicularis Fer. and Amphimelania holandri Fer. are the intermediate hosts of Philophthalmus sp. found in domesticated geese in Bulgaria.

Experimental invasion has been successfully carried out on goslings, ducklings, chicks and turkey-poults.

Philophthalmi attain sexual maturity in the definite hosts about the 30th day after invasion.

It has been found that the philophthalmi live in geese up to the 378th day after the invasion, without drawing the conclusion that this is the maximum duration of the life of Philophthalmus sp. in the definitive host. The philophthalmi may remain alive under the Membrana nictitans of the goose throughout the winter and next spring lay eggs with fully formed miracidia.

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References

  • Alicata, Y. E., and K. Noda: Observations on the life history of Philophthalmus a species of eye fluke of birds in Hawaii. L. Hom. al. Dr. Ed. Caballero y Caballero, 1960.

  • Vassilev, I.: The Helminthofauna of the Domesticated Goose (Anser anser dom.) in Bulgaria [in Bulgarian]. Bull. Central Lab. Helminth., Bulgarian Acad. Sci. 7 (1962).

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Authors and Affiliations

  1. Aus dem Helminthologischen Zentrallaboratorium der Bulgarischen Akademie der Wissenschaften Sofia, Bulgaria

    I. Vassilev & Y. Denev

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  1. I. Vassilev
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  2. Y. Denev
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Vassilev, I., Denev, Y. Research into the life history of Philophthalmus sp., recovered from geese in Bulgaria. I. Z. f. Parasitenkunde 25, 320–329 (1965). https://doi.org/10.1007/BF00329587

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  • DOI: https://doi.org/10.1007/BF00329587

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