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Sex and season explain spleen weight variation in the Egyptian mongoose

Current Zoology 2019年第1期65卷 11-20页

作者： victor bandeira Emilio Virgos Alexandre AZEVEDO Joao Carvalho Monica V. CUNHA Carlos Fonseca Dartment of Biology Centro de Estudos do Ambiente e do Mar (CESAM) University of Aveiro Campus Universitario de Santiago Aveiro 3810-193 Portugal Departamento de Biologia Geologia Fisica y Qufmica Inorganica Area Biodiversidad y Conservacion Escuela Superior de Ciencias Experimentales y Tecnologia (ESCET) Universidad Rey Juan Carlos c/Tulipan s/n Mostoles Madrid E-28933 Spain Leibniz Institute for Zoo and Wildlife Research Alfred-Kowalke-Straβe 17 Berlin 10315 Germany Instituto de Ciencias Biomedicas Abel Salazar R. Jorge de Viterbo Ferreira 228 Porto 4050-313 Portugal Instituto Nacional de Investigaqao Agraria e Veterinaria (INIAV) IP-National Institute for Agrarian and Veterinary Research Rua dos Lagidos Lugar da Madalena Vairao 4485-655 Portugal cE3c-Centre for Ecology Evolution and Environmental Changes Faculdade de Ciencias Universidade de Lisboa Lisboa 1749-016 Portugal BiolSI-Biosystems & Integrative Sciences Institute Faculdade de Ciencias Universidade de Lisboa Lisboa 1749-016 Portugal Wildlife Ecology & Health group (WE&H) and Servei d'Ecopatologia de Fauna Salvatge (SEFaS) Departament de Medicina i Cirurgia Animals Universitat Autonoma de Barcelona 08193-Bellaterra Barcelona Spain

The Egyptia n mon goose (Herpestes ichneumon Linn aeus, 1758) is a medium-sized car nivore that experienced remarkable geographic expansion over the last 3 decades in the Iberian Peninsula. In this study, we investigated the association of species-related and abiotic factors with spleen weight (as a proxy for immunocompete nee) in the species. We assessed the relationship of body con dition, sex, age, seas on, and envir onmental conditi ons with splee n weight established for 508 hunted specimens. Our results indicate that the effects of sex and season outweigh those of all other variables, including body condition. Spleen weight is higher in males than in females, and heavier spleens are more likely to be found in spring, coinciding with the highest period of investment in reproduction due to mating, gestation, birth, and lactation. Coupled with the absence of an effect of body condition, our findi ngs suggest that splee n weight variation in this species is mostly influe need by lifehistory traits linked to reproduction, rather than overall energy availability, winter immunoenhancement, or energy partitioning effects, and prompt further research focusing on this topic.

关键词： body condition carnivore Herpestes ichneumon Iberian Peninsula mongoose spleen weight

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First Serological Evidence on Endemicity of HEV Infection in Wild Boar(Sus scrofa) Populations from Portugal

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Virologica Sinica 2018年第2期33卷 197-200页

作者： Daniel Goncalves Joao Pereira-Vaz Vitor Duque victor bandeira Carlos Fonseca Ana Donato Cristina Luxo Ana Miguel Matos Laboratory of Virology Faculty of Pharmacy University of Coimbra 3000-548 Coimbra Portugal Laboratory of Molecular Biology Clinical Pathology UnitHospital and University Centre of Coimbra3000-602 Coimbra Portugal Infectious Diseases Department Hospital and University Centre of Coimbra 3000-075 Coimbra Portugal Biology Department and CESAM University of Aveiro3810-193 Aveiro Portugal Clinical Laboratory Faculty of Pharmacy University of Coimbra 3000-548 Coimbra Portugal Research Centre on Chemical Processes Engineering and Forest Products (CIEPQF) Faculty of Pharmacy University of Coimbra 3030-790 Coimbra Portugal

Increasing number of hepatitis E virus（HEV）infection has been described in industrialized countries,with infection occurring as a sporadic disease,usually associated with travel to endemic regions or small outbreaks... 详细信息

关键词：感染 HEV 血清学葡萄牙野猪证据特性人口

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