Results 51 to 60 of about 43,481 (227)

Atuais conhecimentos sobre Myxosporea (Myxozoa), parasitas de peixes. Um estagio alternativo dos parasitas no Brasil [PDF]

open access: yes, 2002
Os autores relatam as recentes informacoes sobre o ciclo alternativo dos mixosporeos (Myxozoa) comprovados nos ultimos anos nos oligoquetas, estimulando pesquisas para estudar o desenvolvimento das numerosas especies de parasitas de peixes conhecidos e
Békési, László   +2 more
core  

Reduced Offspring Viability Is Associated With Long‐Term Stability of a Narrow Avian Hybrid Zone

open access: yesEcology and Evolution, Volume 15, Issue 9, September 2025.
We investigated hybrid viability in a tropical, avian hybrid zone governed by strong selection on male secondary sexual traits between the white‐collared manakin (Manacus candei) and golden‐collared manakin (M. vitellinus). We assessed putative hybrid fitness by investigating adult survival and hatching success along with a prospective selective ...
Kira M. Long   +5 more
wiley   +1 more source

Comparação dos métodos de pesquisa de parasitas intestinais utilizados nos laboratórios clínicos em Cabo Verde com o método de Ritchie modificado – O caso de Rincão [PDF]

open access: yes, 2012
Os parasitas intestinais constituem um problema médico-sanitário de grande importância, tanto pela frequência que ocorrem como causarem muitas vezes, distúrbios orgânicos capazes de incapacitarem os indivíduos infectados, reduzindo a resistência do ...

core  

Host–parasite relationship in urban environments: A network analysis of haemoparasite infections in Nasua nasua Linnaeus (South American coati)

open access: yesMedical and Veterinary Entomology, Volume 39, Issue 3, Page 456-463, September 2025.
Urban environments alter host–parasite dynamics, as seen in Nasua nasua, where haemotropic Mycoplasma plays a key role in parasite spread through frequent social interactions. Network analysis revealed low modularity in interactions between N. nasua and tick‐borne haemoparasites, with functional roles unaffected by biotic factors, tick infestation or ...
Filipe Martins Santos   +3 more
wiley   +1 more source

Kudoa spp. (Myxozoa, Multivalvulida) parasitizing fish caught in Aracaju, Sergipe, Brazil

open access: yesRevista Brasileira de Parasitologia Veterinária
This study reports on Kudoa spp. (Myxozoa, Multivalvulida) from the fish species Lutjanus analis, Bagre marinus, Aspistor luniscutis and Lutjanus jocu, which were caught in Aracaju, state of Sergipe, Brazil. The parasites formed oval plasmodia around the
Jorge Costa Eiras   +7 more
doaj   +1 more source

Avaliação do Desempenho dos Participantes no Programa Nacional de Avaliação Externa da Qualidade em Morfologia Parasitária: 20 anos de experiência [PDF]

open access: yes, 2016
O Programa Nacional de Avaliação Externa da Qualidade (PNAEQ), inserido no Departamento de Epidemiologia do Instituto Nacional de Saúde Doutor Ricardo Jorge, em Lisboa, tem implementado entre outros, o programa de Morfologia parasitária desde 1995. Neste
Baptista Fernandes, Teresa   +6 more
core  

Phylogenomic approach to integrative taxonomy resolves a century‐old taxonomic puzzle and the evolutionary history of the Acromyrmex octospinosus species complex

open access: yesSystematic Entomology, Volume 50, Issue 3, Page 469-494, July 2025.
A comprehensive, integrative study approach combining morphology, population genetics, phylogenetics and biogeography revealed that the Acromyrmex octospinosus species complex consists of two species: A. octospinosus and its social parasite A. insinuator.
Daniela Mera‐Rodríguez   +2 more
wiley   +1 more source

Estudo coproparasitológico da espécie Cebus libidinosus (macaco-prego)

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia
RESUMO Os estudos sobre parasitos gastrintestinais em primatas mantidos em cativeiros são importantes para o manejo da população de macacos e para a manutenção da saúde das pessoas que trabalham com esses animais, pois muitos desses parasitos são ...
D.S. Alcântara   +4 more
doaj   +1 more source

Annotated checklist and illustrated key to braconid parasitoids (Hymenoptera, Braconidae) of economically important fruit flies (Diptera, Tephritidae) in Brazil [PDF]

open access: yes, 2018
The braconid parasitoids of fruit-infesting flies have been more intensively studied from the middle to late 1990s, when taxonomic research was restarted in Brazil.
Costa, Valmir A.   +2 more
core   +1 more source

An interdisciplinary approach to improving conservation outcomes for parasites

open access: yesConservation Biology, Volume 39, Issue 1, February 2025.
Abstract Parasites represent a significant proportion of Earth's biodiversity and play important roles in the ecology and biology of ecosystems and hosts, making them an important target for conservation. Despite increasing calls to prioritize protection for parasites in the academic literature, they remain undervalued and underrepresented in global ...
Timothy M. Brown   +5 more
wiley   +1 more source

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