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Agrifood Research and TechnologyCentre of Aragon (CITA); Management of Health, Food Safety and Public Health of TRAGSATEC (INMUNIZADOS1316).

Análisis de autorías institucional
Calvete, Carlos - Autor o Coautor
Calvo Lacosta, Jorge Hugo - Autor (correspondencia)
Publicaciones > Artículo

Changes in European wild rabbit population dynamics and the epidemiology of rabbit haemorrhagic disease in response to artificially increased viral transmission

Publicado en:Transboundary And Emerging Diseases. - 2022-01-25 (), doi: 10.1111/tbed.14421

Calvete, Carlos; Calvo Lacosta, Jorge Hugo;


ARAID, Zaragoza, Spain - Autor o Coautor
Centro de Investigación y Tecnología Agroalimentaria de Aragón - Entidad de origen
Ctr Invest & Tecnol Agroalimentaria Aragon CITA, Unidad Prod & Sanidad Anim, Avda Montanana 930, Zaragoza 50059, Spain - Autor o Coautor
INMUNIZADOS1316 Agrifood Research and Technology Centre of Aragon (CITA) - Financiador
INMUNIZADOS1316 Management of Health, Food Safety and Public Health of TRAGSATEC - Financiador
Ist Zooprofilatt Sperimentale Lombardia & Emilia, OIE Reference Lab Rabbit Haemorrhag Dis, Brescia, Italy - Autor o Coautor
TRAGSATEC, Management Hlth Food Safety & Publ Hlth, Madrid, Spain - Autor o Coautor
Univ Zaragoza, CITA, Inst Agroalimentario Aragon IA2, Zaragoza, Spain - Autor o Coautor
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Resúmen: European wild rabbit (Oryctolagus cuniculus) populations are severely affected by rabbit haemorrhagic disease (RHD), currently aggravated by the spread of the new lagovirus serotype RHDV2 that replaced the classical RHDV strains (RHDV/RHDVa). This virus causes high mortality in both adult and young rabbits and to date, there is no management tool to effectively reduce its impact on wild rabbit populations. This hinders the success of common strategies, such as habitat management or restocking, in areas where rabbits are native. However, the present study, conducted on enclosed wild rabbit populations, showed that spreading RHDV2 on baits during breeding periods induced infection of young rabbits, reducing mortality rates, presumably due to maternal antibody protection. This reduced the young rabbit mortality hazard by a third, and more juvenile rabbits immune to RHDV2 were recruited into the adult breeding population. Young rabbits from populations in which the force of infection of RHDV2 was increased, however, exhibited considerably higher susceptibility to infection by RHDV than those from non-treated control populations. Since co-circulation of classical RHDVs was ruled out, differences in the type and degree of immunization, the level of cross-protection and/or other unknown factors, such as the circulation of undetected non-pathogenic lagoviruses, arose as possible explanations. This meant that although the present study demonstrated the possibility of successfully modulating the impact of RHD in wild populations, the epidemiological complexity of the situation where several lagoviruses circulate requires additional research to determine final applicability of the proposed method.

Palabras clave: oryctolagus cuniculus; rabbit haemorrhagic disease; rhdv; rhdv2; wild rabbit conservation; Field; Gi.2/rhdv2/b; Myxomatosis; Oryctolagus cuniculus; Oryctolagus-cuniculus; Rabbit haemorrhagic disease; Restocking; Rhdv; Rhdv2; Variant; Virus rhdv; Wild rabbit conservation; Wildlife disease management

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