Poultry Breeding Course

Lesson 1 • Poultry Species and Breed Overview

Covers major commercial and heritage species, breed classifications, and production purposes. Provides the taxonomic baseline for all subsequent breeding discussions.

Lesson 2 • Reproductive Anatomy and Physiology

Examines male and female reproductive organs, gamete production, and fertilization. Links anatomical knowledge to fertility management in breeding programs.

Lesson 3 • Basic Genetics for Poultry Breeders

Introduces Mendelian inheritance, alleles, and gene expression in poultry. Builds the genetic vocabulary needed for trait selection and mating design.

Lesson 1 • Breeding Objectives and Economic Weights

Translates production goals into quantified breeding objectives with economic weights. Aligns genetic improvement with commercial profitability targets.

Lesson 2 • Heritability and Genetic Parameters

Defines heritability, genetic correlations, and repeatability for key poultry traits. These parameters determine how much selection can improve a population.

Lesson 3 • Mating Systems and Inbreeding

Covers random mating, assortative mating, line crossing, and inbreeding effects. Proper mating design balances genetic gain with population fitness.

Lesson 4 • Genetic Gain and Response to Selection

Applies the breeder's equation to predict annual genetic improvement. Students calculate expected response and identify limiting factors in their programs.

Lesson 1 • Pedigree Recording and Verification

Establishes procedures for recording sire, dam, and progeny relationships accurately. Pedigree integrity directly affects the reliability of estimated breeding values.

Lesson 2 • Trait Measurement and Standardization

Defines measurement protocols for growth, egg production, feed efficiency, and carcass traits. Standardized measurement reduces environmental noise in genetic analyses.

Lesson 3 • Database Design and Data Quality

Introduces relational database concepts, data validation rules, and error-checking routines. Clean data prevents bias in downstream genetic evaluations.

Lesson 4 • Environmental Effect Identification

Identifies fixed effects such as hatch group, sex, and pen that must be accounted for in models. Proper effect identification separates genetic from environmental variation.

Lesson 1 • Multi-Trait Evaluation and Indices

Extends single-trait BLUP to simultaneous evaluation of correlated traits. Multi-trait models improve accuracy and account for genetic correlations between traits.

Lesson 2 • Statistical Models for Genetic Evaluation

Introduces animal model, sire model, and repeatability model structures. Model choice determines the accuracy and bias of estimated breeding values.

Lesson 3 • Estimated Breeding Values and Accuracy

Covers EBV interpretation, reliability measures, and confidence intervals. Accuracy metrics guide how much weight to place on individual EBVs during selection.

Lesson 1 • Genomics Fundamentals for Breeders

Reviews SNP markers, linkage disequilibrium, and genome structure in poultry. This foundation is required before applying genomic prediction methods.

Lesson 2 • Genomic Prediction Methods

Compares GBLUP, BayesB, and machine-learning prediction approaches. Method choice affects accuracy depending on trait architecture and reference population size.

Lesson 3 • Genomic Selection Program Implementation

Guides the end-to-end setup of a genomic selection program in a commercial context. Students integrate genotyping, evaluation, and selection decisions into a unified workflow.

Lesson 4 • Genomic Tools for Trait Discovery

Introduces GWAS and QTL mapping to identify genomic regions controlling key traits. Discovered markers can be incorporated into selection indices or marker-assisted selection.

Lesson 1 • Emerging Reproductive Biotechnologies

Surveys primordial germ cell transfer, gene editing, and in vitro fertilization in poultry. These technologies are reshaping the frontier of genetic improvement programs.

Lesson 2 • Artificial Insemination Protocols

Covers insemination timing, dose preparation, and hen insemination technique. Proper AI protocol maximizes fertility while minimizing stress to breeding stock.

Lesson 3 • Incubation Management for Breeding Programs

Connects egg collection, storage, and incubation settings to hatchability outcomes. Optimal incubation management preserves the genetic value of selected matings.

Lesson 4 • Semen Collection and Evaluation

Teaches manual collection techniques and laboratory assessment of semen quality. Semen quality directly determines fertilization rates and breeding program efficiency.

Lesson 1 • Genetic Diversity and Conservation

Applies effective population size, pedigree analysis, and diversity metrics to prevent genetic erosion. Maintaining diversity protects long-term selection response and disease resilience.

Lesson 2 • Biosecurity in Breeding Operations

Establishes biosecurity protocols specific to nucleus and multiplier flocks. Protecting high-genetic-value stock from disease is a critical program management responsibility.

Lesson 3 • Nucleus Flock Management

Covers candidate selection, mating allocation, and generation turnover in the nucleus. Nucleus decisions determine the genetic ceiling for the entire breeding pyramid.

Lesson 4 • Line Development and Crossbreeding

Guides the development of pure lines and their combination in crossbreeding systems. Hybrid vigor from line crosses is the primary source of commercial performance advantage.

Lesson 1 • Egg Production and Quality in Layers

Addresses hen-day production, egg weight, shell strength, and internal quality traits. Genetic improvement in layers requires balancing production volume with egg quality standards.

Lesson 2 • Disease Resistance and Immune Traits

Identifies heritable components of resistance to Marek's disease, coccidiosis, and bacterial infections. Selecting for immune competence reduces medication costs and improves flock welfare.

Lesson 3 • Adaptation to Alternative Production Systems

Selects for traits enabling performance in free-range, organic, and cage-free environments. Breeds optimized for confinement may underperform in alternative systems without targeted selection.

Lesson 4 • Growth and Feed Efficiency in Broilers

Targets body weight gain, feed conversion, and breast meat yield as primary broiler traits. Selection strategies must balance growth with leg health and cardiovascular fitness.