Luis Artur Loyola Chardulo
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View article: Effects of stocking rate during mid to late pregnancy of Nellore cows on carcass and meat quality traits of male offspring in Brazil
Effects of stocking rate during mid to late pregnancy of Nellore cows on carcass and meat quality traits of male offspring in Brazil Open
View article: Metabolomic Profiling of Serum Reveals Energy Metabolism Differences in Nellore Bulls with Divergent Growth Rates during Feedlot Finishing
Metabolomic Profiling of Serum Reveals Energy Metabolism Differences in Nellore Bulls with Divergent Growth Rates during Feedlot Finishing Open
This study aimed to identify and quantify serum metabolites in beef cattle exhibiting different growth rates during the finishing phase. A total of 120 Nellore (Bos indicus) bulls, averaging 387 ± 14 kg in body weight and 24 ± 2 mon…
View article: PSVII-10 Assessment of carcass, meat quality and lipidome of Nellore bulls with high and low residual feed intake.
PSVII-10 Assessment of carcass, meat quality and lipidome of Nellore bulls with high and low residual feed intake. Open
This study aimed to compare carcass characteristics and meat quality between feedlot Nellore cattle (Bos indicus) with divergent residual feed intake (RFI) and to investigate potential differences in meat lipid profile. Ninety-six Nellore …
View article: Impact of Tenderness, Intramuscular Fat, and Metabolites on the Sensory Quality of Nellore Beef
Impact of Tenderness, Intramuscular Fat, and Metabolites on the Sensory Quality of Nellore Beef Open
View article: Asociaciones de eficiencia alimentar sobre la calidad de carne en bovinos a través de las OMICAS
Asociaciones de eficiencia alimentar sobre la calidad de carne en bovinos a través de las OMICAS Open
El consumo alimentar residual en bovinos es una medida de eficiencia alimentar de interés productivo debido a su asociación con los costos de producción y el impacto ambiental del sistema productivo. Determinar este parámetro permite selec…
View article: Effects of combining yeast products with antimicrobials in grain adaptation diets for feedlot Nellore bulls on performance, behavior, and metabolome
Effects of combining yeast products with antimicrobials in grain adaptation diets for feedlot Nellore bulls on performance, behavior, and metabolome Open
This study evaluated the effects of different combinations of yeast products and antimicrobials during adaptation to high-grain feedlot diets on performance, feeding behavior, carcass traits, and the serum metabolome of feedlot Nellore bul…
View article: Gene co-expression network analysis reveals positive effects of concentrate supplementation on energy metabolism in early-weaned Nellore calves
Gene co-expression network analysis reveals positive effects of concentrate supplementation on energy metabolism in early-weaned Nellore calves Open
Introduction To determine the impact of early weaning combined with concentrate supplementation on skeletal muscle energy metabolism, we profiled gene co-expression networks in Bos indicus (Nellore) calves. Material and methods Longissimus…
View article: Muscle tissue transcriptome of F1 Angus-Nellore bulls and steers feedlot finished: impacts on intramuscular fat deposition
Muscle tissue transcriptome of F1 Angus-Nellore bulls and steers feedlot finished: impacts on intramuscular fat deposition Open
The current findings suggest the importance of these pathways and genes for lipid metabolism in steers with greater IMF. Notably, this study reveals for the first time the involvement of the PI3K-Akt pathway and associated genes in regulat…
View article: DNA Imprinting and Differentially Expressed Genes in Longissimus thoracis Muscle of Bos indicus Submitted to Early Weaning Management
DNA Imprinting and Differentially Expressed Genes in Longissimus thoracis Muscle of Bos indicus Submitted to Early Weaning Management Open
Background/Objectives: Early weaning management followed by energy supplementation can lead to metabolic alterations in the calf that exert long-term effects on the animal’s health and performance. It is believed that the main molecular ba…
View article: Epigenetic insights into creep-feeding: methylation profiling of Longissimus thoracis muscle at weaning in crossbred cattle
Epigenetic insights into creep-feeding: methylation profiling of Longissimus thoracis muscle at weaning in crossbred cattle Open
Introduction This study investigated the impact of creep-feeding supplementation on the genome methylation of the Longissimus thoracis (LT) muscle in crossbred beef cattle ( Bos taurus × Bos indicus ). Methods The experiment involved 48 un…
View article: DNA Imprinting and Differentially Expressed Genes in Longissimus Thoracis Muscle of<em> Bos indicus</em> Submitted to Early Weaning Management
DNA Imprinting and Differentially Expressed Genes in Longissimus Thoracis Muscle of<em> Bos indicus</em> Submitted to Early Weaning Management Open
Early weaning management followed by energy supplementation can lead to metabolic alterations in the calf that exert long-term effects on the animal’s health and performance. It is believed that the main molecular basis underlying these me…
View article: The Impact of Liver Abscesses on Performance and Carcass Traits in Beef Cattle: A Meta-Analysis Study
The Impact of Liver Abscesses on Performance and Carcass Traits in Beef Cattle: A Meta-Analysis Study Open
The use of high-grain diets in feedlots is associated with the development of acidosis and ruminitis, which can lead to the occurrence of liver abscesses (LAs). However, the effect of LA on carcass traits is not well known. This study asse…
View article: Environmental Impacts of High-Quality Brazilian Beef Production: A Comparative Life Cycle Assessment of Premium and Super-Premium Beef
Environmental Impacts of High-Quality Brazilian Beef Production: A Comparative Life Cycle Assessment of Premium and Super-Premium Beef Open
When individual purchasing power increases in society, there is a trend toward a quantitative and qualitative increase in the consumption of products. Considering the magnitude of beef production in Brazil, environmental impacts are import…
View article: Changes in the Lipid Metabolism of the Longissimus thoracis Muscle in Bulls When Using Different Feeding Strategies during the Growing and Finishing Phases
Changes in the Lipid Metabolism of the Longissimus thoracis Muscle in Bulls When Using Different Feeding Strategies during the Growing and Finishing Phases Open
The objective was to evaluate the supplementation strategy’s effect on beef cattle during the growing phase and two systems during the finishing phase. One hundred and twenty young bulls were randomly divided in a 2 × 2 factorial design to…
View article: Early Weaning Possibly Increases the Activity of Lipogenic and Adipogenic Pathways in Intramuscular Adipose Tissue of Nellore Calves
Early Weaning Possibly Increases the Activity of Lipogenic and Adipogenic Pathways in Intramuscular Adipose Tissue of Nellore Calves Open
This study aimed to evaluate by wide-expression profile analysis how early weaning at 120 days can alter the skeletal muscle metabolism of calves supplemented with a concentrated diet until the growth phase. Longissimus thoracis muscle sam…
View article: Muscle proteome of crossbred cattle that received vitamin A at birth: impacts on meat quality traits
Muscle proteome of crossbred cattle that received vitamin A at birth: impacts on meat quality traits Open
View article: Post-mortem muscle proteome of crossbred bulls and steers: Relationships with carcass and meat quality
Post-mortem muscle proteome of crossbred bulls and steers: Relationships with carcass and meat quality Open
View article: Bos indicus Carcasses Suspended by the Pelvic Bone Require a Shorter Aging Time to Meet Consumer Expectations Regarding Meat Quality
Bos indicus Carcasses Suspended by the Pelvic Bone Require a Shorter Aging Time to Meet Consumer Expectations Regarding Meat Quality Open
This study evaluated the effects of hanging the carcass by the Achilles tendon (AS) versus pelvic suspension (PS) on meat quality traits. Bos indicus carcasses of two distinct biological types/sex categories comprised 10 young Brangus heif…
View article: Effect of Cow-Calf Supplementation on Gene Expression, Processes, and Pathways Related to Adipogenesis and Lipogenesis in Longissimus thoracis Muscle of F1 Angus × Nellore Cattle at Weaning
Effect of Cow-Calf Supplementation on Gene Expression, Processes, and Pathways Related to Adipogenesis and Lipogenesis in Longissimus thoracis Muscle of F1 Angus × Nellore Cattle at Weaning Open
The aim of this study was to identify differentially expressed genes, biological processes, and metabolic pathways related to adipogenesis and lipogenesis in calves receiving different diets during the cow-calf phase. Forty-eight uncastrat…
View article: Effect of Cow-Calf Supplementation on Gene Expression, Processes and Pathways Related to Adipogenesis and Lipogenesis in Longissimus Thoracis Muscle of F1 Angus × Nellore Cattle at Weaning
Effect of Cow-Calf Supplementation on Gene Expression, Processes and Pathways Related to Adipogenesis and Lipogenesis in Longissimus Thoracis Muscle of F1 Angus × Nellore Cattle at Weaning Open
The aim of this study was to identify differentially expressed genes, biological processes and metabolic pathways related to adipogenesis and lipogenesis in calves receiving different diets during the cow-calf phase. Forty-eight uncastrate…
View article: Meat Quality and Muscle Tissue Proteome of Crossbred Bulls Finished under Feedlot Using Wet Distiller Grains By-Product
Meat Quality and Muscle Tissue Proteome of Crossbred Bulls Finished under Feedlot Using Wet Distiller Grains By-Product Open
Wet distiller grains (WDG) are a corn by-product rich in protein and fiber that can be used in feedlot diets. This study evaluated F1 Angus-Nellore bulls fed on a control diet vs. WDG (n = 25/treatment). After a period of 129 days on these…
View article: Proteomics Unveils Post-Mortem Changes in Beef Muscle Proteins and Provides Insight into Variations in Meat Quality Traits of Crossbred Young Steers and Heifers Raised in Feedlot
Proteomics Unveils Post-Mortem Changes in Beef Muscle Proteins and Provides Insight into Variations in Meat Quality Traits of Crossbred Young Steers and Heifers Raised in Feedlot Open
Proteomics has been widely used to study muscle biology and meat quality traits from different species including beef. Beef proteomics studies allow a better understanding of the biological processes related to meat quality trait determina…
View article: Assessment of corn wet distillers grains fed to crossbred bulls on feeding behavior, rumen morphology, liver abscesses and blood parameters
Assessment of corn wet distillers grains fed to crossbred bulls on feeding behavior, rumen morphology, liver abscesses and blood parameters Open
Corn ethanol production has been growing in Brazil in the last ten years, generating by-products to feedlot diets. This study evaluates the effects of the inclusion of low-fat corn wet distillers grains (LF-WDG) on feeding behavior, rumina…
View article: Intake, performance, meat quality and fatty acid profile of Nellore bulls finished in feedlot with diets containing dry corn gluten feed
Intake, performance, meat quality and fatty acid profile of Nellore bulls finished in feedlot with diets containing dry corn gluten feed Open
View article: Application of proteomic to investigate the different degrees of meat tenderness in Nellore breed
Application of proteomic to investigate the different degrees of meat tenderness in Nellore breed Open
View article: Comparison of Dental Carcass Maturity in Non-Castrated Male F1 Angus-Nellore Cattle Finished in Feedlot
Comparison of Dental Carcass Maturity in Non-Castrated Male F1 Angus-Nellore Cattle Finished in Feedlot Open
Dental classification of carcasses is used as a parameter of cattle maturity at slaughter, and it can influence carcass and meat quality traits. Brazilian beef-packing companies use the number of permanent incisor (PI) teeth as a parameter…
View article: Testing different devices to assess the meat tenderness: preliminary results
Testing different devices to assess the meat tenderness: preliminary results Open
View article: CORRELATIONS OF CARCASS AND MEAT QUALITY TRAITS IN CROSSBRED AND PURE BULLSFEEDLOT FINISHED THROUGH MULTIVARIATE APPROACH
CORRELATIONS OF CARCASS AND MEAT QUALITY TRAITS IN CROSSBRED AND PURE BULLSFEEDLOT FINISHED THROUGH MULTIVARIATE APPROACH Open
Multivariate approaches allow identifying the most important directions of variation, classifying meat samples into subgroups of similar behavior. Principal component analysis (PCA) and the clustering analysis (K-means) were used to charac…
View article: 174 A comparison of machine learning algorithms in the classification of beef steers finished in feedlot
174 A comparison of machine learning algorithms in the classification of beef steers finished in feedlot Open
The aim of this project is to compare some of the state-of-the-art machine learning algorithms on the classification of steers finished in feedlots based on performance, carcass and meat quality traits. The precise classification of animal…
View article: Carcass and meat quality of Nellore cattle (Bos taurus indicus) belonging to the breeding programs
Carcass and meat quality of Nellore cattle (Bos taurus indicus) belonging to the breeding programs Open