Marcos Vinícius Gualberto Barbosa da Silva
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View article: Genomic variants associated with oocyte and embryo production in dairy Gir cattle
Genomic variants associated with oocyte and embryo production in dairy Gir cattle Open
View article: Parent-of-origin effects for the number of oocytes and embryos in Gir cattle
Parent-of-origin effects for the number of oocytes and embryos in Gir cattle Open
Imprinting is a phenomenon that alters the expression of genes according to the parental origin of their alleles. A quantitative form to evaluate the imprinting effect is known as parent-of-origin effect. Our aim with this work is to ident…
View article: Estimation of genetic parameters for milking temperament in Holstein-Gyr cows
Estimation of genetic parameters for milking temperament in Holstein-Gyr cows Open
Introduction Dairy cattle with poor temperament can cause several inconveniences during milking, leading to labor difficulties, increasing the risk of accidents with animals and workers, and compromising milk yield and quality. This study …
View article: Heterogeneity of variance and genetic parameters for milk production in cattle, using Bayesian inference
Heterogeneity of variance and genetic parameters for milk production in cattle, using Bayesian inference Open
The goal of this study was to verify the effect of heterogeneity of variance (HV) on milk production in up to 305 days of lactation (L305) of daughters of Girolando, Gir and Holstein sires, as well as in the genetic evaluation of these sir…
View article: Resequencing of Brazilian locally adapted cattle breeds revealed variants in candidate genes for meat fatty acids profile
Resequencing of Brazilian locally adapted cattle breeds revealed variants in candidate genes for meat fatty acids profile Open
Supplementary Material
View article: Is the temperament of crossbred dairy cows related to milk cortisol and oxytocin concentrations, milk yield, and quality?
Is the temperament of crossbred dairy cows related to milk cortisol and oxytocin concentrations, milk yield, and quality? Open
Reactive dairy cows are more susceptible to stress, and this may result in negative effects on milk yield and quality. The aims of this study were to investigate the relationships between temperament traits and concentration of milk cortis…
View article: Single-step genome-wide association studies and post-GWAS analyses for the number of oocytes and embryos in Gir cattle
Single-step genome-wide association studies and post-GWAS analyses for the number of oocytes and embryos in Gir cattle Open
Genome-Wide Association Studies (GWAS) are used for identification of quantitate trait loci (QTL) and genes associated with several traits. We aimed to identify QTLs, genes, and biological processes associated with number of total and viab…
View article: Identification of copy number variations in the genome of Dairy Gir cattle
Identification of copy number variations in the genome of Dairy Gir cattle Open
Studying structural variants that can control complex traits is relevant for dairy cattle production, especially for animals that are tolerant to breeding conditions in the tropics, such as the Dairy Gir cattle. This study identified and c…
View article: Resequencing of Brazilian locally adapted breeds reveled variants in candidate genes for fatty acids profile
Resequencing of Brazilian locally adapted breeds reveled variants in candidate genes for fatty acids profile Open
Article presented to the Graduate Program in Animal Science at the Federal University of Vales do Jequitinhonha e Mucuri, as a partial requirement for obtaining the Master's degree.Article presented to the Graduate Program in Animal Scienc…
View article: Aplicações da genômica na produção animal
Aplicações da genômica na produção animal Open
View article: Embryo biopsies for genomic selection in tropical dairy cattle
Embryo biopsies for genomic selection in tropical dairy cattle Open
Genomic selection has transformed the livestock industry, enabling early-life selection of animals. Biopsy sampling of pre-implantation embryos has been described since 1968. However, it was only after 2010, with the advancement of molecul…
View article: Candidate genes for tick resistance in cattle: a systematic review combining post-GWAS analyses with sequencing data
Candidate genes for tick resistance in cattle: a systematic review combining post-GWAS analyses with sequencing data Open
Rhipicephalus microplus causes huge losses in cattle. Host genetic background greatly affects the immune efficiency in resistance or susceptibility to tick infestation, which is one of the many factors that play a role on that trait. We pe…
View article: Physiological parameters for thermal stress in dairy cattle
Physiological parameters for thermal stress in dairy cattle Open
The objective of this study was to investigate changes in physiological parameters of dairy cows and understand which physiological parameters show greater reliability for verification of heat stress. Blood samples were collected for analy…
View article: Candidate genes for tick resistance in cattle: a systematic review combining post-GWAS analyses with sequencing data
Candidate genes for tick resistance in cattle: a systematic review combining post-GWAS analyses with sequencing data Open
Rhipicephalus microplus causes huge losses in cattle. Host genetic background greatly affects the immune efficiency in resistance or susceptibility to tick infestation, which is one of the many factors that play a role on that trait…
View article: Elevated temperature-humidity index induces physiological, blood and milk alterations in Holstein cows in a more pronounced manner than in ½ and ¾ Holstein × Gir
Elevated temperature-humidity index induces physiological, blood and milk alterations in Holstein cows in a more pronounced manner than in ½ and ¾ Holstein × Gir Open
Bos taurus taurus and Bos taurus indicus cattle subspecies present different capabilities in coping with situations of elevated temperatures, the latter being more tolerant to heat stress. Thus, some breeding programs crossed these subspec…
View article: Unraveling the genetic variability of host resilience to endo and ectoparasites under natural infestation, in Nellore cattle
Unraveling the genetic variability of host resilience to endo and ectoparasites under natural infestation, in Nellore cattle Open
Background: Host resilience (HR) to parasites can affect growth in pastured raised cattle. This study is a detailed investigation of the genetic mechanisms of HR to ticks (TICK), gastrointestinal nematodes (GIN), and Eimeria spp. (EIM) und…
View article: Genome-Wide Analyses Reveal the Genetic Architecture and Candidate Genes of Indicine, Taurine, Synthetic Crossbreds, and Locally Adapted Cattle in Brazil
Genome-Wide Analyses Reveal the Genetic Architecture and Candidate Genes of Indicine, Taurine, Synthetic Crossbreds, and Locally Adapted Cattle in Brazil Open
Cattle population history, breeding systems, and geographic subdivision may be reflected in runs of homozygosity (ROH), effective population size ( N e ), and linkage disequilibrium (LD) patterns. Thus, the assessment of this information h…
View article: Development of tetra-primer ARMS-PCR protocol to genotype the prolactin receptor SNP 39136666 and assessment of this SNP in Brazilian locally adapted cattle breeds
Development of tetra-primer ARMS-PCR protocol to genotype the prolactin receptor SNP 39136666 and assessment of this SNP in Brazilian locally adapted cattle breeds Open
Made available in DSpace on 2021-09-22T13:00:40Z (GMT). No. of bitstreams: 1\nDevelopment-tetra-prime.pdf: 196779 bytes, checksum: 9ded5f41b3fd4aac1d177331ba4e5628 (MD5)\n Previous issue date: 2021
View article: Estimation of genetic parameters for test-day milk yield in Girolando cows using a random regression model
Estimation of genetic parameters for test-day milk yield in Girolando cows using a random regression model Open
The objective of this study was to estimate the components of variance and genetic parameters of test-day milk yield in first lactation Girolando cows, using a random regression model. A total of 126,892 test-day milk yield (TDMY) records …
View article: Unraveling the genetic variability of host resilience to endo and ectoparasites under natural infestation, in Nellore cattle
Unraveling the genetic variability of host resilience to endo and ectoparasites under natural infestation, in Nellore cattle Open
Background: Host resilience (HR) to parasites can affect growth in pastured raised cattle. This study is a detailed investigation of the genetic mechanisms of HR to ticks (TICK), gastrointestinal nematodes (GIN), and Eimeria spp. (EIM) und…
View article: Transcriptomic analysis suggests candidate genes for hygienic behavior in African-derived Apis mellifera honeybees
Transcriptomic analysis suggests candidate genes for hygienic behavior in African-derived Apis mellifera honeybees Open
View article: Single-Nucleotide Polymorphism Variations Associated With Specific Genes Putatively Identified Enhanced Genetic Predisposition for 305-Day Milk Yield in the Girolando Crossbreed
Single-Nucleotide Polymorphism Variations Associated With Specific Genes Putatively Identified Enhanced Genetic Predisposition for 305-Day Milk Yield in the Girolando Crossbreed Open
Milk production phenotypes are the main focus of genetic selection in dairy herds, and although there are many genes identified as related to the biology of these traits in pure breeds, little is known about crossbreed animals. This study …
View article: Breed, heterosis, and recombination effects for lactation curves in Brazilian cattle
Breed, heterosis, and recombination effects for lactation curves in Brazilian cattle Open
The objective of this study was to estimate the breed, heterosis, and recombination effects on different components of the lactation curve of Girolando cattle. The dataset used consisted of 12,121 purebred cows of Holstein (H) and Gyr (G) …
View article: Breed, heterosis, and recombination effects for lactation curves in Brazilian cattle
Breed, heterosis, and recombination effects for lactation curves in Brazilian cattle Open
The objective of this study was to estimate the breed, heterosis, and recombination effects on different components of the lactation curve of Girolando cattle. The dataset used consisted of 12,121 purebred cows of Holstein (H) and Gyr (G) …
View article: Research Article Genomic prediction of lactation curves of Girolando cattle based on nonlinear mixed models
Research Article Genomic prediction of lactation curves of Girolando cattle based on nonlinear mixed models Open
Knowledge of lactation curves in dairy cattle is essential for understanding the animal production in milk production systems. Genomic prediction of lactation curves represents the genetic pattern of milk production of the animals in the h…
View article: Lipopolysaccharide triggers different transcriptional signatures in taurine and indicine cattle macrophages: Reactive oxygen species and potential outcomes to the development of immune response to infections
Lipopolysaccharide triggers different transcriptional signatures in taurine and indicine cattle macrophages: Reactive oxygen species and potential outcomes to the development of immune response to infections Open
Macrophages are classified upon activation as classical activated M1 and M2 anti-inflammatory regulatory populations. This macrophage polarization is well characterized in humans and mice, but M1/M2 profile in cattle has been far less expl…
View article: Single-step genome-wide association studies (GWAS) and post-GWAS analyses to identify genomic regions and candidate genes for milk yield in Brazilian Girolando cattle
Single-step genome-wide association studies (GWAS) and post-GWAS analyses to identify genomic regions and candidate genes for milk yield in Brazilian Girolando cattle Open
Milk production is economically important to the Brazilian agribusiness, and the majority of the country's milk production derives from Girolando (Gir × Holstein) cows. This study aimed to identify quantitative trait loci (QTL) and candida…
View article: Genome-wide detection of signatures of selection in indicine and Brazilian locally adapted taurine cattle breeds using whole-genome re-sequencing data
Genome-wide detection of signatures of selection in indicine and Brazilian locally adapted taurine cattle breeds using whole-genome re-sequencing data Open
View article: Additional file 2 of Genome-wide detection of signatures of selection in indicine and Brazilian locally adapted taurine cattle breeds using whole-genome re-sequencing data
Additional file 2 of Genome-wide detection of signatures of selection in indicine and Brazilian locally adapted taurine cattle breeds using whole-genome re-sequencing data Open
Additional file 2. Gene Ontology (GO) terms and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways analysis enriched (p
View article: Additional file 5 of Genome-wide detection of signatures of selection in indicine and Brazilian locally adapted taurine cattle breeds using whole-genome re-sequencing data
Additional file 5 of Genome-wide detection of signatures of selection in indicine and Brazilian locally adapted taurine cattle breeds using whole-genome re-sequencing data Open
Additional file 5. Annotated candidate sweep regions for the within-population statistic retrieved from the top 1% of the empirical distribution generated by the DCMS statistic.