Fabiana Quoos Mayer
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View article: Effects of Incorporation of Essential Oils in the Jersey Cow Diet on the Quality of Produced Dairy Products (Milk, Cream, and Colonial Cheese)
Effects of Incorporation of Essential Oils in the Jersey Cow Diet on the Quality of Produced Dairy Products (Milk, Cream, and Colonial Cheese) Open
Essential oil blends (EOBs) have been increasingly studied for their multifunctional benefits in animal nutrition and food science. This study evaluates the impact of an EOB composed of eucalyptus and peppermint oil on the physicochemical,…
View article: Cattle breeders perception on their knowledge about animal welfare in the South of Brazil
Cattle breeders perception on their knowledge about animal welfare in the South of Brazil Open
Brazil is the largest beef exporter and 3rd largest producer of milk in the world, and Rio Grande do Sul (RS) state contributes to this result. Thus, farm animal welfare (FAW) is an important issue. The aim of this study was accessing the …
View article: Enterotoxigenic <i>Escherichia coli</i> as a Modulator of the Entero‐Pulmonary Axis in Piglets: Impacts on the Microbiota and Immune Responses
Enterotoxigenic <i>Escherichia coli</i> as a Modulator of the Entero‐Pulmonary Axis in Piglets: Impacts on the Microbiota and Immune Responses Open
The high prevalence of enterotoxigenic Escherichia coli (ETEC) in nondiarrheic piglets contributes to its rapid spread; however, few studies have explored the effects of latent gastrointestinal pathogens on animal health. Therefore, using …
View article: Applied Research Note: Bacterial profile in the environment of an egg-producing farm in Southern Brazil
Applied Research Note: Bacterial profile in the environment of an egg-producing farm in Southern Brazil Open
SUMMARY: This study aims to characterize the environmental microbiota of an egg-producing farm situated in Rio Grande do Sul, Southern Brazil, spanning from the chick to the laying hen stages and encompassing the treatment of carcasses and…
View article: Exploring bacterial diversity and antimicrobial resistance gene on a southern Brazilian swine farm
Exploring bacterial diversity and antimicrobial resistance gene on a southern Brazilian swine farm Open
The bacterial composition of and the circulation of antimicrobial resistance genes (ARGs) in waste from Brazilian swine farms are still poorly understood. Considering that antimicrobial resistance (AMR) is one of the main threats to human,…
View article: Comparative Analysis of How the Fecal Microbiota of Green-Winged Saltator (Saltator similis) Diverge among Animals Living in Captivity and in Wild Habitats
Comparative Analysis of How the Fecal Microbiota of Green-Winged Saltator (Saltator similis) Diverge among Animals Living in Captivity and in Wild Habitats Open
The microbiota’s alteration is an adaptive mechanism observed in wild animals facing high selection pressure, especially in captive environments. The objective of this study is to compare and predict the potential impact of habitat on the …
View article: Genome analysis of Pseudomonas strain 4B with broad antagonistic activity against toxigenic fungi
Genome analysis of Pseudomonas strain 4B with broad antagonistic activity against toxigenic fungi Open
View article: Determinação da diversidade microbiana na conjuntiva ocular de cães saudáveis pelo sequenciamento completo do DNA
Determinação da diversidade microbiana na conjuntiva ocular de cães saudáveis pelo sequenciamento completo do DNA Open
Resumo A conjuntiva desempenha papel fundamental na saúde e imunidade ocular e atua como uma barreira à entrada de microrganismos. As infecções conjuntivais são comuns em cães e resultam tanto da invasão de microrganismos patogênicos quant…
View article: Determination of microbial diversity in the ocular conjunctiva of healthy dogs by total DNA sequencing
Determination of microbial diversity in the ocular conjunctiva of healthy dogs by total DNA sequencing Open
The conjunctiva plays an essential role in eye health and immunity and acts as a barrier to the entry of microorganisms. Conjunctival infections are common in dogs and result from both the invasion of pathogenic microorganisms and the unco…
View article: Evaluation of Enterotoxins and Antimicrobial Resistance in Microorganisms Isolated from Raw Sheep Milk and Cheese: Ensuring the Microbiological Safety of These Products in Southern Brazil
Evaluation of Enterotoxins and Antimicrobial Resistance in Microorganisms Isolated from Raw Sheep Milk and Cheese: Ensuring the Microbiological Safety of These Products in Southern Brazil Open
This study emphasizes the importance of monitoring the microbiological quality of animal products, such as raw sheep’s milk and cheese, to ensure food safety. In Brazil, there is currently no legislation governing the quality of sheep’s mi…
View article: Microbiological Safety of Raw Sheep’s Milk and Cheese Produced in Southern Brazil: An Evaluation of Enterotoxins and Antimicrobial Resistance in Isolated Staphylococcus Species
Microbiological Safety of Raw Sheep’s Milk and Cheese Produced in Southern Brazil: An Evaluation of Enterotoxins and Antimicrobial Resistance in Isolated Staphylococcus Species Open
This work highlights that monitoring the microbiological quality of animal products, such as raw sheep’s milk and cheese, is necessary for food safety. Sheep’s milk and its derivatives are not legislated in Brazil. Thus, present study aime…
View article: Evaluation of the motility and capacity of biofilm production by Pseudomonas fluorescens strains in residual milk
Evaluation of the motility and capacity of biofilm production by Pseudomonas fluorescens strains in residual milk Open
Pseudomonas fluorescens is known to have the ability to adhere and produce biofilm. The formation of biofilms is enhanced by cellular motility, particularly when mediated by flagella. Biofilm formed on surfaces such as those used for food …
View article: Exploring Bacterial Diversity and Antimicrobial Resistance Genes Dynamics in a Southern Brazilian Swine Farm's Environment
Exploring Bacterial Diversity and Antimicrobial Resistance Genes Dynamics in a Southern Brazilian Swine Farm's Environment Open
View article: Investigação De Anti- <i>Leptospira</i> Spp. Anticorpos E Leptospirúria EM Gatos Atendidos EM Um Hospital Veterinário Universitário No Sul Do Brasil
Investigação De Anti- <i>Leptospira</i> Spp. Anticorpos E Leptospirúria EM Gatos Atendidos EM Um Hospital Veterinário Universitário No Sul Do Brasil Open
View article: Comparative Analysis of the Upper Respiratory Bacterial Communities of Pigs with or without Respiratory Clinical Signs: From Weaning to Finishing Phase
Comparative Analysis of the Upper Respiratory Bacterial Communities of Pigs with or without Respiratory Clinical Signs: From Weaning to Finishing Phase Open
A prospective study was conducted to identify bacterial communities in the nasal and laryngeal cavities of pigs with or without clinical signs of respiratory disease in a longitudinal fashion, from weaning to the finishing phase. Nasal and…
View article: The virome of the white-winged vampire bat Diaemus youngi is rich in circular DNA viruses
The virome of the white-winged vampire bat Diaemus youngi is rich in circular DNA viruses Open
View article: Short-chain fatty acid acetate triggers antiviral response mediated by RIG-I in cells from infants with respiratory syncytial virus bronchiolitis
Short-chain fatty acid acetate triggers antiviral response mediated by RIG-I in cells from infants with respiratory syncytial virus bronchiolitis Open
FAPERGS (FAPERGS/MS/CNPq/SESRS no. 03/2017 - PPSUS 17/2551-0001380-8 and COVID-19 20/2551-0000258-6); CNPq 312504/2017-9; CAPES) - Finance Code 001.
View article: Complete Genome Sequences of Two Bovine Alphaherpesvirus 5 Subtype C Strains from Southeast Brazil
Complete Genome Sequences of Two Bovine Alphaherpesvirus 5 Subtype C Strains from Southeast Brazil Open
Bovine alphaherpesvirus 5 causes meningoencephalitis in cattle, belongs to the Herpesviridae family, and can be divided into subtypes a, b, and c. Limited information is available about subtype c. Here, we report the complete genome sequen…
View article: Genomic analysis of Enterococcus durans LAB18S, a potential probiotic strain isolated from cheese
Genomic analysis of Enterococcus durans LAB18S, a potential probiotic strain isolated from cheese Open
Gut microbiota exerts a fundamental role in human health and increased evidence supports the beneficial role of probiotic microorganisms in the maintenance of intestinal health. Enterococcus durans LAB18S was previously isolated from soft …
View article: SARS-CoV-2 introduction and lineage dynamics across three epidemic peaks in Southern Brazil: massive spread of P.1
SARS-CoV-2 introduction and lineage dynamics across three epidemic peaks in Southern Brazil: massive spread of P.1 Open
Genomic surveillance of SARS-CoV-2 is paramount for understanding viral dynamics, contributing to disease control. This study analyzed SARS-CoV-2 genomic diversity in Rio Grande do Sul (RS), Brazil, including the first reported case in eac…
View article: SARS-CoV-2 introduction and lineage dynamics across three epidemic peaks in Southern Brazil: massive spread of P.1
SARS-CoV-2 introduction and lineage dynamics across three epidemic peaks in Southern Brazil: massive spread of P.1 Open
Background Genomic surveillance of SARS-CoV-2 is paramount for understanding viral dynamics, contributing to disease control. This study analyzed SARS-CoV-2 genomic diversity in Rio Grande do Sul (RS), Brazil, including the first case of e…
View article: The genetic diversity of “papillomavirome” in bovine teat papilloma lesions
The genetic diversity of “papillomavirome” in bovine teat papilloma lesions Open
Background Papillomaviruses are small nonenveloped, circular double-stranded DNA viruses that belong to the Papillomaviridae family. To date, 29 Bos taurus papillomavirus (BPV) types have been described. Studies involving mixed BPV infecti…
View article: Molecular characterization of bacterial communities of two neotropical tick species (Amblyomma aureolatum and Ornithodoros brasiliensis) using rDNA 16S sequencing
Molecular characterization of bacterial communities of two neotropical tick species (Amblyomma aureolatum and Ornithodoros brasiliensis) using rDNA 16S sequencing Open
Ticks are one of the main vectors of pathogens for humans and animals worldwide. However, they harbor non-pathogenic microorganisms that are important for their survival, facilitating both their nutrition and immunity. We investigated the …
View article: Detection of coronavirus in vampire bats (<i>Desmodus</i><i>rotundus</i>) in southern Brazil
Detection of coronavirus in vampire bats (<i>Desmodus</i><i>rotundus</i>) in southern Brazil Open
The vampire bat ( Desmodus rotundus ) is a haematophagous animal that feeds exclusively on the blood of domestic mammals. Vampire bat feeding habits enable their contact with mammalian hosts and may enhance zoonotic spillover. Moreover, th…
View article: Isolation and characterization of two new Staphylococcus aureus bacteriophages with potential to infect distinct bacteria from bovine mastitis
Isolation and characterization of two new Staphylococcus aureus bacteriophages with potential to infect distinct bacteria from bovine mastitis Open
Bovine mastitis is an important disease of dairy cows, and Staphylococcus aureus is the etiologic agent most prevalent among the microorganisms. Mastitis caused by S. aureus present low cure rate with antimicrobials treatment and low vacci…
View article: Acetate Triggers Antiviral Response Mediated by RIG-I in Cells from Infants with Respiratory Syncytial Virus Bronchiolitis
Acetate Triggers Antiviral Response Mediated by RIG-I in Cells from Infants with Respiratory Syncytial Virus Bronchiolitis Open
View article: Tuberculosis outbreak in intensive swine farming from southern Brazil
Tuberculosis outbreak in intensive swine farming from southern Brazil Open
Mycobacterium tuberculosis var. bovis is the etiologic agent of animal tuberculosis (aTB), a neglected zoonotic disease. Animal tuberculosis can affect many species, including swine. aTB-consistent granulomas in these animals lead to carca…
View article: Surto de tuberculose em suínos de criação intensiva no Sul do Brasil
Surto de tuberculose em suínos de criação intensiva no Sul do Brasil Open
portuguesMycobacterium bovis e o agente etiologico da tuberculose animal (aTB), uma doenca zoonotica negligenciada. A tuberculose animal pode afetar muitas especies, incluindo suinos. Os granulomas compativeis com a aTB nesses animais leva…
View article: Bovine abortion by a vaccine strain of Bacillus anthracis
Bovine abortion by a vaccine strain of Bacillus anthracis Open
This paper reports the abortion of a male Aberdeen Angus bovine by a vaccine strain of Bacillus anthracis, describing the pathological and microbiological findings and the genome sequence. Necropsy findings included multifocal areas of hem…
View article: Additional file 5 of The genetic diversity of “papillomavirome” in bovine teat papilloma lesions
Additional file 5 of The genetic diversity of “papillomavirome” in bovine teat papilloma lesions Open
Additional file 5. Conserved motifs of PV genomes, including nt positions of E2 and E1-binding site motifs, ATP binding site of the ATP-dependent helicase, leucine-zipper domain of E2 ORF, LxCxE motif of E7 ORFs, zinc-binding domains of E6…