Quantitative Genetics

Statistical analysis of genetic traits, heritability estimation, and breeding value prediction

Statistical GeneticsHeritabilityBreeding Values

Research Overview

Research Focus
  • • Heritability estimation for complex traits
  • • Genetic correlation analysis
  • • Breeding value prediction models
  • • Genotype-environment interactions
  • • Selection index optimization
Key Innovations
  • • Advanced mixed model applications
  • • Bayesian statistical methods
  • • Machine learning integration
  • • Multi-trait analysis frameworks
  • • Real-time breeding value updates

Methodological Approaches

Statistical Models

Linear Mixed Models

REML estimation, variance component analysis, random effects modeling

Bayesian Methods

MCMC sampling, prior specification, posterior inference

Genomic Prediction

GBLUP, BayesB, Bayesian LASSO, machine learning approaches

Multi-trait Analysis

Correlated trait modeling, selection indices, economic weights

Data Analysis Pipeline
1

Data Collection & Quality Control

Phenotypic data cleaning, outlier detection, pedigree validation

2

Model Fitting & Validation

Cross-validation, model comparison, predictive ability assessment

3

Implementation & Monitoring

Breeding program integration, performance tracking, continuous improvement

Research Applications

🌱
Plant Breeding

Yield improvement, disease resistance, stress tolerance breeding

Crop YieldDrought ToleranceDisease Resistance
🐄
Animal Breeding

Production traits, health characteristics, reproductive efficiency

Milk ProductionGrowth RateDisease Resistance
🧬
Genomic Selection

DNA-based prediction, marker-assisted selection, genomic breeding values

SNP ArraysGBLUPPrediction Accuracy
🌍
Climate Adaptation

Heat tolerance, disease resilience, environmental stress breeding

Heat StressG×E InteractionsResilience

Current Research Projects

Multi-Trait Genomic Selection in Dairy Cattle
Improving production and health traits simultaneously

Developing advanced genomic selection models that simultaneously improve milk production, fertility, and health traits while managing genetic correlations effectively.

Genomic SelectionMulti-Trait AnalysisDairy Cattle
Climate-Resilient Crop Varieties
Quantitative genetics for drought and heat tolerance

Applying quantitative genetic principles to develop crop varieties with enhanced tolerance to climate stress through advanced breeding value estimation.

Climate AdaptationCrop BreedingStress Tolerance

Collaborate on Quantitative Genetics Research

Join our efforts to advance statistical genetics and breeding methodologies