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SCI Scientific Publications of VISAVET Centre
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dissertations of VISAVET Centre
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Last research news
June 5th, 2021
Vía publiDB
Colistin selection of the mcr-1 gene in broiler chicken intestinal microbiota
Investigation article published in Antibiotics
: Colistin has a long story of safe use in animals for the treatment and prevention of certain bacterial diseases. Nevertheless, the first description of the mcr-1 gene showed that colistin resistance can spread by horizontal gene transfer and changed the landscape. This study aimed to assess the effect of colistin administration on the dispersion of resistance in the microbiota of day-old broiler chicks and how the presence of mcr-1 genes influences the spread of colistin resistance determinants. In this study, 100 one-day-old chicks were divided into four groups of 25 animals (G1, G2, G3, an…
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June 1st, 2021
Vía publiDB
Expansion of native wild boar populations is a new threat for semi-arid wetland areas
Investigation published in Ecological Indicators
Wildlife management and conservation requires monitoring of species distribution and population indicators, especially when the unbalanced demographic changes of some species can affect the whole ecosystem functioning. The populations of wild boar (Sus scrofa) have, over the past few decades, undergone an expansion around the world, reaching situations of overabundance that can cause serious economic, ecological and health problems. This numerical increase of wild boar and its new spatial invasion can affect certain vulnerable species in sensitive ecological zones, such as the main inland wetl…
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May 30th, 2021
Vía publiDB
Influence of multiple factors on hematologic reference intervals in horses residing in livery yards in Spain
Investigation published in Veterinary Clinical Pathology
The hemogram is a routine analysis for equine veterinary practitioners in the assessment of patient clinical status. Reference intervals (RIs) of hematologic constituents vary according to different horse populations and are often described for a particular breed or horse type. The aims of this study were to determine RIs for hematologic constituents in a mixed-breed horse population residing in livery yards in central Spain and evaluate the associations between estimated RIs and multiple phenotypic and management characteristics. A total of 122 healthy horses from different breeds in central …
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May 16th, 2021
Servicio de Informática y Comunicación
Three Complutense professors among the most cited researchers in veterinary sciences
The h-index Diffusion Group updates the Ranking of the best scientists residing in Spain
The h-index Diffusion Group (DIH) has published the Ranking update of the best scientists residing in Spain according to their h-index, which measures the number of citations that scientific articles have received and is one of the most bibliometric indicators employees to evaluate the work done by a researcher and the impact of its production.…
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May 15th, 2021
Vía publiDB
Capsular type diversity of Mannheimia haemolytica determined by multiplex real-time PCR and indirect hemagglutination in clinical isolates from cattle, sheep, and goats in Spain
Investigation article published in Veterinary Microbiology
This study compares the utility of a commercially available multiplex q-PCR assay for serotyping A1, A2, and A6 M. haemolytica serotypes with indirect hemagglutination, for determining the relative distribution of M. haemolytica capsular types associated with respiratory disorders in cattle, sheep, and goats. For the 129 isolates analyzed, both q-PCR and IHA assays exhibited nearly complete agreement for capsular types A1 (k = 0.965) and A2 (k = 0.888) and substantial agreement for A6 (k = 0.801). Despite the overall good performance of the commercial q-PCR, its effectiveness differed between …
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May 11st, 2021
Servicio de Informática y Comunicación
COVID-19 in our pets
First results of the multidisciplinary project that evaluates the impact of the pandemic on animals
…
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April 30th, 2021
Vía publiDB
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Spatial and Temporal Distribution of Mycobacterium tuberculosis Complex Infection in Eurasian Badger (Meles meles) and Cattle in Asturias, Spain
Animals publish this investigation article
The present work investigated the prevalence, spatial distribution, and temporal distribution of tuberculosis (TB) in free-ranging Eurasian badgers (Meles meles) and cattle in Asturias (Atlantic Spain) during a 13-year follow-up. The study objective was to assess the role of badgers as a TB reservoir for cattle and other sympatric wild species in the region. Between 2008 and 2020, 673 badgers (98 trapped and 575 killed in road traffic accidents) in Asturias were necropsied, and their tissue samples were cultured for the Mycobacterium tuberculosis complex (MTC) isolation. Serum samples were tes…
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April 28th, 2021
Sergio González Domínguez
Tuberculosis, a zoonotic disease of global concern
We review two articles published this month that bring us closer to recent researchs of this disease
…
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April 19th, 2021
Vía publiDB
The plasmid-mediated Kluyvera-like arnBCADTEF operon confers colistin (hetero) resistance to Escherichia coli
Antimicrobial Agents and Chemotherapy publish this investigation article
The use of colistin as a last resort antimicrobial is compromised by the emergence of resistant enterobacteria with acquired determinants like mcr genes, mutations that activate the PmrAB system and by still unknown mechanisms. This work analyzed 74 E. coli isolates from healthy swine, turkey or bovine, characterizing their colistin resistance determinants. The mcr-1 gene, detected in 69 isolates, was the main determinant found among which 45% were carried by highly mobile plasmids, followed by four strains lacking previously known resistance determinants or two with mcr-4 (one in addition to …
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April 12nd, 2021
Vía publiDB
Population genomics and antimicrobial resistance dynamics of Escherichia coli in wastewater and river environments
Investigation published in Communications Biology
Aquatic environments are key niches for the emergence, evolution and dissemination of antimicrobial resistance. However, the population diversity and the genetic elements that drive the dynamics of resistant bacteria in different aquatic environments are still largely unknown. The aim of this study was to understand the population genomics and evolutionary events of Escherichia coli resistant to clinically important antibiotics including aminoglycosides, in anthropogenic and natural water ecosystems. Here we show that less different E. coli sequence types (STs) are identified in wastewater tha…
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