ArticleAnimals : an open access journal from MDPI2022
Antibodies against Two Testudinid Herpesviruses in Pet Tortoises in Europe.
Article in Animals : an open access journal from MDPI, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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2 authors at 1 institution in 1 country.
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Abstract
Herpesviruses are important pathogens of tortoises, and several serologically and genetically distinct virus types have been described in these animals. Virus neutralization testing is commonly used in Europe to determine previous infection with the two types most often found in pet European tortoises, testudinid herpesvirus (TeHV) 1 and 3. In this retrospective study, the results of serological testing for antibodies against each of these viruses in serum or plasma samples from 1728 tortoises were evaluated, and antibody detection rates were compared based on virus type, host species, year, season, and country of origin. Antibodies (titer 2 or higher) against at least one of the two viruses used were detected in a total of 122 (7.06%; 95% CI 5.95−8.37%) of the animals tested. The antibody detection rates differed significantly depending on the tortoise species (p < 0.0001) and the year of sampling (TeHV1 p = 0.0402; TeHV3 p = 0.0482) for both virus types. For TeHV1, antibody detection rates differed significantly (p = 0.0384) by season. The highest detection rate was in summer (5.59%; 95% CI 4.10−7.58%), and the lowest was in fall (1.25%; CI 0.53−2.87%). TeHV1 antibody detection rates did not differ significantly (p = 0.7805) by country, whereas TeHV3 antibody detection rates did (p = 0.0090). The highest detection rate, 12.94% (95% CI 7.38−21.70%), was found in samples from Italy. These results support previous hypotheses on the species’ susceptibility to TeHV1 and 3 and the use of serology as a diagnostic test for the detection of herpesvirus-infected tortoises.
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