19 Crossbred Evaluation and CCPS

Learning Objectives

By the end of this chapter, you will be able to:

Explain why purebred performance predicts crossbred performance imperfectly
Define the purebred–crossbred genetic correlation r_pc and its consequences
Set up purebred and crossbred performance as two correlated traits
Judge when crossbred data is worth collecting
Describe how genomic breed-origin methods extend this

Assumes Ch 11, Ch 18.

Chapter in progress

This chapter has not been written yet. The objectives above are the contract it will be written against — they are taken from CHAPTERS.md, which is the outline for the whole book.

Purpose. Selecting purebreds for crossbred performance.

---
title: "Crossbred Evaluation and CCPS"
---

::: {.callout-note icon=false}
## Learning Objectives

By the end of this chapter, you will be able to:

1. **Explain** why purebred performance predicts crossbred performance imperfectly
2. **Define** the purebred–crossbred genetic correlation r_pc and its consequences
3. **Set** up purebred and crossbred performance as two correlated traits
4. **Judge** when crossbred data is worth collecting
5. **Describe** how genomic breed-origin methods extend this
:::

*Assumes Ch 11, Ch 18.*

::: {.callout-warning}
## Chapter in progress

This chapter has not been written yet. The objectives above are the contract it will be written
against — they are taken from `CHAPTERS.md`, which is the outline for the whole book.

**Purpose.** Selecting purebreds for crossbred performance.
:::