Serological evidences showing the involvement of free-living pheasants in the influenza ecology [Emilia-Romagna]
2005
Marco, M.A. De (Istituto Nazionale per la Fauna Selvatica, Ozzano Emilia, Bologna (Italy)) | Campitelli, L. (Istituto Superiore di Sanità, Rome (Italy). Dipartimento di Malattie Infettive, Parassitarie e Immunomediate) | Delogu, M. (Bologna Univ. (Italy). Dipartimento di Sanità Pubblica Veterinaria e Patologia Animale) | Raffini, E. (Istituto Zooprofilattico Sperimentale della Lombardia e dell´Emilia-Romagna, Brescia (Italy)) | Foni, E. (Istituto Zooprofilattico Sperimentale della Lombardia e dell´Emilia-Romagna, Brescia (Italy)) | Di Trani, L. (Istituto Superiore di Sanità, Rome (Italy). Dipartimento Sanità Animale e Alimentare) | Scaffidi, M. (Bologna Univ. (Italy). Dipartimento di Sanità Pubblica Veterinaria e Patologia Animale) | Donatelli, I. (Istituto Superiore di Sanità, Rome (Italy). Dipartimento di Malattie Infettive, Parassitarie e Immunomediate)
From 1995 to 2002, 219 sera were collected in Northern Italy from wild pheasants, in order to establish the possible involvement of these Galliformes birds in the influenza ecology. A serological survey for avian influenza viruses (AIVs) was carried out by ELISA test in order to detect type A influenza antibodies. The overall seroprevalence was 12.3%, with yearly values ranging from 0% to 42.5%. No antibodies against either H5 or H7 AIV subtypes were found by hemagglutination-inhibition test. Data from 16 recaptured birds, among 113 animals banded for individual identification, showed seroconversions in 2 pheasants. Our results indicate AIV circulation in free-living pheasants. The involvement of this land-based bird species in influenza ecology is discussed
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