VISAVET | News

December 1^st, 2021

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EU-RL for Bovine Tuberculosis Workshop. VIII edition

Communications in this event:

- Closing of the meeting & conclusions

- Comparative tests for histopathological diagnosis of tuberculosis (2020)

- Comparative test for detection of IFN-g for the diagnosis of bovine tuberculosis (2019)

- Comparative test for Direct DNA extraction from tissue samples and bacteriological culture (2019)

- Validation of PCRs for the detection of mycobacteria

- Evaluation of the use of interferon-gamma (IFN-γ) test for the purpose of granting and retaining an official tuberculosis free herd status

- Technical factors affecting diagnosis of tuberculosis in ruminants

- EURL databases - protocol database

- EU-RL presentation & main activities

November 30^th, 2021

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Evolution of ColE1-like plasmids across γ-Proteobacteria: From bacteriocin production to antimicrobial resistance

Investigation published in PLoS Genetics

Antimicrobial resistance is one of the major threats to Public Health worldwide. Understanding the transfer and maintenance of antimicrobial resistance genes mediated by mobile genetic elements is thus urgent. In this work, we focus on the ColE1-like plasmid family, whose distinctive replication and multicopy nature has given rise to key discoveries and tools in molecular biology. Despite being massively used, the hosts, functions, and evolutionary history of these plasmids remain poorly known. Here, we built specific Hidden Markov Model(HMM) profiles to search ColE1 replicons within genomes. … Read more

November 29^th, 2021

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Nuevos retos ante la Covid-19. Anticipándonos al futuro

Conference in Encuentros Complutense

November 29^th, 2021

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Seminars VISAVET 2021

Communications in this event:

- Epidemiology of antimicrobial resistance to aminoglycosides and macrolides in thermophilic Campylobacter in livestock and wild animals in Spain

- Food Safety and Veterinary Institute - Central Laboratory - Albania

- Qubit 4 fluorometer: what it is for and how it is used

- Applications of phylodynamic and machine learning models for animal disease surveillance in the 21st century

November 27^th, 2021

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Curso de formación en los aspectos teóricos, prácticos y de base legal en el diagnóstico de la tuberculosis bovina. 21ª edition

Communications in this event:

- Resultado individuales y colectivos de la validación de la prueba de la tuberculina. Recomendaciones y plan de acción

- Traslado al cebadero. Jornada práctica. Realización de la prueba de IDTB. Parte 1: Rasurado, 1ª lectura e inuculación intradérmica de la PPDs. Parte 2: Interpretación de la prueba. Validación individual de la prueba práctica

- Estudios epidemiológicos en la explotación/zona. Las encuestas epidemiológicas

- Control de la tuberculosis. Importancia de los animales salvajes como reservorio de la tuberculosis. La vacunación como herramienta de control de la tuberculosis

- Interferencia diagnóstica en la tuberculosis. Estudios de sensibilidad y especificidad

- Pruebas de diagnóstico de la tuberculosis basadas en la respuesta inmune: intradermotuberculinización, detección de interferón-gamma y serología para la detección de anticuerpos

- Epidemiología molecular de la tuberculosis. Aplicación práctica de la base de datos mycoDB.es

- Diagnóstico microbiológico de la tuberculosis. Identificación del agente etiológico. Manual y normativa aplicable. Toma de muestras

- Actividades del EU-RL for Bovine Tuberculosis

- Aspectos generales de la inmunología de la tuberculosis. Respuesta inmune natural adquirida. Diagnóstico anatomopatológico de la tuberculosis. Estudio de las lesiones macroscópicas e histológicas. Descripción del cuadro lesional

November 20^th, 2021

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Differences in wild boar spatial behaviour among land uses and management scenarios in Mediterranean ecosystems

Investigation published in Science of the total environment

The ubiquitous wild boar is causing diverse and growing conflicts of socio-ecological and economic relevance worldwide. For that reason, knowledge of its spatial ecology is crucial to designing effective management programmes. But this knowledge is scarce in Mediterranean areas with mixed land uses. We describe the spatial ecology and habitat selection of 41 adult wild boar monitored using GPS collars and analyse the effects of sex and the period (food shortage period, hunting season and food abundance period) under different land uses (protected areas, mixed farms and fenced hunting estates).… Read more

November 17^th, 2021

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Advances in diving pathophysiology knowledge in sea turtles: The discovery of decompression sickness

PhD Thesis defense by Daniel García Párraga at the VISAVET Centre of the Complutense University of Madrid

Decompression sickness (DCS), clinically diagnosed by reversal of symptoms after recompression treatment, has never been reported in breath hold divers, despite the predictable occurrence in their tissues when nitrogen stresses high enough to lead to bubble formation and lesions based on studies in terrestrial experimental models. In marine mammals, lesions compatible with DCS were described in post mortem studies, in cases where altered diving behavior is assumed because of exposure to high-powered underwater acoustic sources (e.g., active military sonar) and in cases of animals accidentally … Read more

November 3^rd, 2021

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Bottlenose dolphins (Tursiops truncatus) aggressive behavior towards other cetacean species in the western Mediterranean

Scientific reports publish this investigation article

Aggressive behavior of bottlenose dolphins (Tursiops truncatus) towards conspecifics is widely described, but they have also often been reported attacking and killing harbour porpoises (Phocoena phocoena) around the world. However, very few reports exist of aggressive interactions between bottlenose dolphins and other cetacean species. Here, we provide the first evidence that bottlenose dolphins in the western Mediterranean exhibit aggressive behavior towards both striped dolphins (Stenella coeruleoalba) and Risso`s dolphins (Grampus griseus). Necropsies and visual examination of stranded stri… Read more

November 3^rd, 2021

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A new method for sampling African swine fever virus genome and its inactivation in environmental samples

Investigation published in Scientific reports

African swine fever (ASF) is currently the most dangerous disease for the global pig industry, causing huge economic losses, due to the lack of effective vaccine or treatment. Only the early detection of ASF virus (ASFV) and proper biosecurity measures are effective to reduce the viral expansion. One of the most widely recognized risks as regards the introduction ASFV into a country is infected animals and contaminated livestock vehicles. In order to improve ASF surveillance, we have assessed the capacity for the detection and inactivation of ASFV genome by using Dry-Sponges (3 M) pre-hydrated… Read more

November 1^st, 2021

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Large-scale study on virological and serological prevalence of SARS-CoV-2 in cats and dogs in Spain

Investigation article published in Transboundary and Emerging Diseases

The disease produced by the severe acute respiratory syndrome-related coronavirus 2 (SARS-CoV-2), is currently one of the primary concerns worldwide. Knowing the zoonotic origin of the disease and that several animal species, including dogs and cats, are susceptible to viral infection, it is critical to assess the relevance of pets in this pandemic. Here, we performed a large-scale study on SARS-CoV-2 serological and viral prevalence in cats and dogs in Spain in order to elucidate their role and susceptibility. Samples from animals in contact with COVID-19 positive people and/or compatible sym… Read more