A5012113100- Animal Behavior and Welfare Studies
- Genetic and phenotypic traits in livestock
- Effects of Environmental Stressors on Livestock
- Animal Nutrition and Physiology
- Milk Quality and Mastitis in Dairy Cows
- Reproductive Physiology in Livestock
- Ruminant Nutrition and Digestive Physiology
- Adipose Tissue and Metabolism
Purdue University West Lafayette
2023-2024
Universidade Federal de Viçosa
2019-2024
Instituto Federal do Sudeste de Minas Gerais
2020
Abstract Background Heat stress (HS) poses significant threats to the sustainability of livestock production. Genetically improving heat tolerance could enhance animal welfare and minimize production losses during HS events. Measuring phenotypic indicators response understanding their genetic background are crucial steps optimize breeding schemes for improved climatic resilience. The identification genomic regions candidate genes influencing traits interest, including variants with...
l-arginine supplementation of sows has led to improvement reproductive performance, but the mechanisms responsible for positive effects arginine during gestation on conceptuses survival and development are still poorly understood. Thus, we aimed evaluate 1.0% (ARG) phenotypic traits commercial gilts, embryos fetuses, concentration gilts' blood metabolites, expression developmental cellular apoptosis genes in 25 35 days. At days, IGF1 gene was more expressed from ARG than control gilts (CON)...
Abstract Background Non-additive genetic effects are often ignored in livestock evaluations. However, fitting them the models could improve accuracy of genomic breeding values. Furthermore, non-additive contribute to heterosis, which be optimized through mating designs. Traits related fitness and adaptation, such as heat tolerance, tend more influenced by effects. In this context, primary objectives study were estimate variance components assess predictive performance prediction values based...
Objetivou-se avaliar o comportamento ingestivo de bezerros da raça Girolando recebendo duas estratégias aleitamento. Foram utilizados 10 machos e 8 fêmeas distribuídos em um delineamento blocos casualizados. As diferentes aleitamento foram a oferta % do peso vivo (PV) leite 20 PV nos primeiros 30 dias vida, qual posteriormente passou ser ofertado PV, até desmama com 60 idade para os dois tratamentos. avaliações comportamentais avaliadas quinzenalmente, totalizando 12 horas observações/dia,...
Abstract Non-additive genetic effects may have important roles in the phenotypic expression of performance and adaptation traits livestock. Therefore, we aimed to evaluate inclusion non-additive genomic prediction models variance component estimation a purebred pig population heat tolerance indicators crossbred population. The first dataset consisted 3,534 individuals with genotypes for 52,843 SNPs five pre-adjusted phenotypes from public database line. Twelve fitting or not dominance and/or...
Abstract This study aimed to estimate genetic parameters, effective population size, inbreeding, and inbreeding depression for birth weight, weaning average pre-weaning daily weight gain (ADG) in Piau breed pigs. We used information from 3841 pigs, four linear models were fitted single trait analyzes including or excluding maternal effect, common litter a combination of these. The models’ adjustments compared by likelihood ratio test, which the model that presented best fit each was...