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Serological Surveillance and Direct Field Searching Reaffirm the Absence of Ornithodoros Erraticus Ticks Role in African Swine Fever Cycle in Sardinia


1 de agosto de 2017

Investigación publicada en Transboundary and Emerging Diseases


African swine fever (ASF), one of the most important diseases of swine, has been endemic in the Italian island of Sardinia for more than 35 years. During these decades, several strategies and eradication efforts have been implemented in the island with limited success. Strong climatic and ecological similarities exist between Sardinia and one area of the Iberian Peninsula where Ornithodoros erraticus ticks were involved in the persistence of ASF from 1960 to 1995. This fact leads to the hypothesis that, potentially, Ornithodoros ticks could be also involved in the ASF cycle in Sardinia, thus accounting for some of the reoccurring ASF outbreaks in this island. Initial efforts aimed at detection of Ornithodoros ticks in Sardinia were performed during the 1970s/1980s with no positive results. Accordingly, the absence of Ornithodoros ticks in Sardinia has been generally accepted. However, since a new and reinforced ASF eradication programme has been recently launched in Sardinia, it is essential to clarify the presence and role of these soft ticks in the epizootiology of ASF in this island. For that purpose, 1767 porcine serum samples collected from all around the island (1261 from domestic and 506 from wild boar) were analysed by ELISA for antibodies to salivary antigens of Ornithodoros erraticus. In addition, Ornithodoros ticks were directly searched in a number of pig premises that have suitable habitats for these ticks and were located in areas repeatedly affected by ASF. Only one serum sample resulted positive in the serological assay, and no Ornithodoros ticks were collected in none of the premises. These results indicate that these soft tick species are not involved in the epizootic cycle of ASF in Sardinia and highlight the importance of controlling other risk factors still present in the island for effectively eradicate the disease




Mur L., Iscaro C., Cocco M., Jurado C., Rolesu S., de Mia GM., Feliziani F., Perez-Sanchez R., Oleaga A. y Sanchez-Vizcaino JM..




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Serological Surveillance and Direct Field Searching Reaffirm the Absence of Ornithodoros Erraticus Ticks Role in African Swine Fever Cycle in Sardinia

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Serological Surveillance and Direct Field Searching Reaffirm the Absence of Ornithodoros Erraticus Ticks Role in African Swine Fever Cycle in Sardinia

Participantes:

Universidad ComplutenseServicio de Inmunología Viral y Medicina Preventiva (SUAT). Centro de Vigilancia Sanitaria Veterinaria (VISAVET). Universidad Complutense (UCM).

Universidad ComplutenseDepartamento de Sanidad Animal. Facultad de Veterinaria. Universidad Complutense (UCM).

Department of Diagnostic Medicine/Pathobiology. College of Veterinary Medicine. Kansas State University (KSU).

Istituto Zooprofilattico Sperimentale dell’Umbria e delle Marche (IZSUM).

Istituto Zooprofilattico Sperimentale della Sardegna (IZSSA).

Consejo Superior de Investigaciones CientíficasParasitología. Instituto de Recursos Naturales y Agrobiología de Salamanca (IRNASA). Consejo Superior de Investigaciones Científicas (CSIC).







Transboundary and Emerging Diseases
FACTOR YEAR Q
3.585 2016

NLMID: 101319538

PMID: 26952266

ISSN: 1865-1674



TÍTULO: Serological Surveillance and Direct Field Searching Reaffirm the Absence of Ornithodoros Erraticus Ticks Role in African Swine Fever Cycle in Sardinia


REVISTA: Transbound. Emerg. Dis.


NUMERACIÓN: 64(4):1322-1328


AÑO: 2017


EDITORIAL: Blackwell Verlag


AUTORES: Mur L., Iscaro C., Cocco M., Jurado C., Rolesu S., de Mia GM., Feliziani F., Perez-Sanchez R., Oleaga A. and Sanchez-Vizcaino JM..


PARTICIPANTES VISAVET


4th
Cristina Jurado Díaz
Last
José Manuel Sánchez-Vizcaíno Rodríguez

DOI: https://doi.org/10.1111/tbed.12485


CITA ESTA PUBLICACIÓN:

Mur L., Iscaro C., Cocco M., Jurado C., Rolesu S., de Mia GM., Feliziani F., Perez-Sanchez R., Oleaga A. y Sanchez-Vizcaino JM. Serological Surveillance and Direct Field Searching Reaffirm the Absence of Ornithodoros Erraticus Ticks Role in African Swine Fever Cycle in Sardinia. Transboundary and Emerging Diseases. 64(4):1322-1328. 2017. (A). ISSN: 1865-1674. DOI: 10.1111/tbed.12485


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