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  • Title: [Electron microscopic detection of herpesviruses in a mass death of Greek tortoises (Testudo hermanni) and four-toed turtles (Agrionemys horsfieldii)].
    Author: Lange H, Herbst W, Wiechert JM, Schliesser T.
    Journal: Tierarztl Prax; 1989; 17(3):319-21. PubMed ID: 2554530.
    Abstract:
    In a population of about 130 tortoises, consisting mainly of Hermann's tortoises (Testudo hermanni) and Four-toed tortoises (Agrionemys horsfieldii), 50% of the reptiles died within 3 months in autumn 1987. Post mortem analysis of 5 necropsied turtles revealed thick, caseous coatings in the upper digestive tract, hepatomegaly and enteritis. By microbiological examination a lot of ubiquitous bacteria could be isolated. By electron microscopy of concentrated and negatively stained gut specimens herpes virus particles were found in two Hermann's tortoises and one Four-toed tortoise. Isolation experiments in embryonic turtle tissue cultures showed no evidence of a cytopathogenic agent. The results are discussed in respect of their importance for the high mortality observed in the population of mediterranean land turtles.
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