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December, 2022 news


December 24th, 2022

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Animals

Molecular Epidemiology of Pasteurella multocida Associated with Bovine Respiratory Disease Outbreaks

Animals publish this investigation article


Studies that characterize bovine respiratory disease (BRD)-associated Pasteurella multocida isolates are scarce compared with research on isolates from other hosts and clinical backgrounds. In the present study, 170 P. multocida isolates from 125 BRD outbreaks were characterized by capsular and LPS typing as well as by virulotyping. Three capsular types (A, B, F) and three LPS genotypes (L2, L3, L6) were identified. Capsular and LPS typing revealed a very low genetic diversity (GD = 0.02) among P. multocida, with most isolates belonging to genotype A:L3 (97.6%). Virulotyping identified seven v… Read more




December 22nd, 2022

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Scientific reports

A proof-of-concept study to investigate the efficacy of heat-inactivated autovaccines in Mycobacterium caprae experimentally challenged goats

Investigation article published in Scientific reports


This study aimed to assess the efficacy of a heat-inactivated Mycobacterium caprae (HIMC) vaccine in goats experimentally challenged with the same strain of M. caprae. Twenty-one goats were divided into three groups of seven: vaccinated with heat-inactivated Mycobacterium bovis (HIMB), with HIMC and unvaccinated. At 7 weeks post-vaccination all animals were endobronchially challenged with M. caprae. Blood samples were collected for immunological assays and clinical signs were recorded throughout the experiment. All goats were euthanized at 9 weeks post-challenge. Gross pathological examination… Read more




December 21st, 2022

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mSphere

Genomics, Transcriptomics, and Metabolomics Reveal That Minimal Modifications in the Host Are Crucial for the Compensatory Evolution of ColE1-Like Plasmids

mSphere publish this investigation article


Plasmid-mediated antimicrobial resistance is one of the major threats to public health worldwide. The mechanisms involved in the plasmid/host coadaptation are still poorly characterized, and their understanding is crucial to comprehend the genesis and evolution of multidrug-resistant bacteria. With this purpose, we designed an experimental evolution using Haemophilus influenzae RdKW20 as the model strain carrying the ColE1-like plasmid pB1000. Five H. influenzae populations adapted previously to the culture conditions were transformed with pB1000 and subsequently evolved to compensate for the … Read more




December 20th, 2022

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Science of the total environment

Environmental factors driving fine-scale ixodid tick abundance patterns

Investigation published in Science of the total environment


Tick abundance is an essential demographic parameter to infer tick-borne pathogen transmission risks. Spatiotemporal patterns of tick abundance are heterogeneous, so its determinants at small spatial scales need to be understood to reduce their negative effects on hosts. Current knowledge of these determinants is scarce, especially in Mediterranean environments, limiting the possibilities for designing efficient tick control strategies. With the goal of unravelling tick abundance determinants and informing new tick management strategies, we estimated tick burdens on 1965 wild ungulates in Doña… Read more




December 18th, 2022

Servicio de Informática y Comunicación


Seasons Greetings and Happy New Year 2023

The Foodborne Zoonoses and Antimicrobial Resistance Unit stars the annual christmas card of the VISAVET centre of the Complutense University of Madrid


Seasons Greetings and Happy New Year Read more





December 18th, 2022

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Weblog Madri+d de Seguridad Alimentaria y Alimentación

Regalos no deseados: desenvolviendo una intoxicación alimentaria

New post in Weblog Madri+d de Seguridad Alimentaria y Alimentación


Se acercan las fiestas navideñas y una de las mayores preocupaciones de los consumidores en estas fechas vuelve a ser la subida de los precios y el encarecimiento de la cesta de la compra. ¿Tendríamos que preocuparnos también por los riesgos relacionados con la contaminación de los alimentos?, ¿qué reglas debemos seguir para asegurarnos de que los alimentos que preparamos y consumimos son seguros?… Read more




December 14th, 2022



Jornada de divulgación de las actividades del centro VISAVET

VISAVET participated in this event


December 13rd, 2022

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Viruses-Basel

Spatio-Temporal Epidemiology of the Spread of African Swine Fever in Wild Boar and the Role of Environmental Factors in South Korea

Investigation published in Viruses-Basel


Since the first confirmation of African swine fever (ASF) in domestic pig farms in South Korea in September 2019, ASF continues to expand and most notifications have been reported in wild boar populations. In this study, we first performed a spatio-temporal cluster analysis to understand ASF spread in wild boar. Secondly, generalized linear logistic regression (GLLR) model analysis was performed to identify environmental factors contributing to cluster formation. In the meantime, the basic reproduction number (R0) for each cluster was estimated to understand the growth of the epidemic. The clu… Read more




December 5th, 2022

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Sanidad Animal, Nueva PAC, ECO regímenes y ayudas agroambientales para el periodo 23-27 en la ganadería extensiva

Agentes causantes de enfermedades reproductivas en bovino: Tricomonas, Campylobacter, Besnoitia, Neospora y DVB

Oral communication in Sanidad Animal, Nueva PAC, ECO regímenes y ayudas agroambientales para el periodo 23-27 en la ganadería extensiva




December 1st, 2022

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Veterinary Research Communications

Extracellular matrix proteins (fibronectin, collagen III, and collagen I) immunoexpression in goat tuberculous granulomas (Mycobacterium caprae)

Investigation published in Veterinary Research Communications


The lesion resulting from the interaction between Mycobacterium and the host immune response is the tuberculous granuloma. Tuberculous granulomas, except in incipient stages, are partially or totally encapsulated by connective tissue. The aim of this study was to assess the immunoexpression of the extracellular matrix proteins fibronectin, collagen III, and collagen I in granulomas caused by Mycobacterium caprae in goats (Capra aegagrus hircus) to understand capsule development at different granuloma stages. For this purpose, a retrospective study of 56 samples of tuberculous granulomas in lun… Read more




December 1st, 2022

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Research in Veterinary Science

Exploiting 16S rRNA-based metagenomics to reveal neglected microorganisms associated with infertility in breeding bulls in Spanish extensive herds

Research in Veterinary Science publish this investigation article


Bovine infectious infertility represents a problem due to the high impact on animal production and, in many cases, in public health. A lack of information on the characteristics of the bacterial population of the bovine reproductive system can hamper a comprehensive understanding of reproductive pathologies and the role that the microbiome could play. A metagenomic study based on the V3-V4 hypervariable region of the bacterial 16S rRNA gene was performed in 1029 preputial samples from bulls raised in an extensive regimen in Spain (944 from herds with low fertility rates -case group-, and 85 sa… Read more




December 1st, 2022

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One Health

Identifying high-risk areas for dog-mediated rabies using Bayesian spatial regression

Investigation article published in One Health


Despite ongoing control efforts, rabies remains an endemic zoonotic disease in many countries. Determining high-risk areas and the space-time patterns of rabies spread, as it relates to epidemiologically important factors, can support policymakers and program managers alike to develop evidence-based targeted surveillance and control programs. In this One Health approach which selected Thailand as the example site, the location-based risk of contracting dog-mediated rabies by both human and animal populations was quantified using a Bayesian spatial regression model. Specifically, a conditional … Read more




December 1st, 2022

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Animal abuse in Spanish-breed fighting cocks (Gallus gallus domesticus)

Investigation article published in Forensic Science International


Cockfighting is illegal both in the European Union and the United States, although fighting cock husbandry and breed preservation are allowed. Here, we describe the pathological findings observed in the carcasses of two Spanish-breed fighting cocks submitted to our laboratory after an animal abuse-suspected death. The postmortem examination revealed these cocks may have been used for cockfighting (comb, ear lobes, wattles, and chest feather removal; and trimmed spurs). The severe extensive hemorrhages observed in the cervical region of both birds, affecting C1-C4 in bird No. 1 and C8-C11 in No… Read more




December 1st, 2022

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Forensic Science International: Animals and Environments

Animal abuse in Spanish-breed fighting cocks (Gallus gallus domesticus)

Investigation article published in Forensic Science International: Animals and Environments


Cockfighting is illegal both in the European Union and the United States, although fighting cock husbandry and breed preservation are allowed. Here, we describe the pathological findings observed in the carcasses of two Spanish-breed fighting cocks submitted to our laboratory after an animal abuse-suspected death. The postmortem examination revealed these cocks may have been used for cockfighting (comb, ear lobes, wattles, and chest feather removal; and trimmed spurs). The severe extensive hemorrhages observed in the cervical region of both birds, affecting C1-C4 in bird No. 1 and C8-C11 in No… Read more




December 1st, 2022

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Nuevos avances en la investigación de la vacuna contra la Peste Porcina Africana

Oral communication in III Congreso Hispano-Luso de Ganadería Extensiva









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