Breeding Guidelines and Selection Traits

Flashcards covering key concepts and scenarios from the lecture on pig breeding guidelines and selection traits.

What are the key factors to consider in the guidelines for breeding pigs?

Well-developed underline, reproductive soundness, small vulva, feet and leg soundness, and performance considerations.

What does EPD stand for in pig selection?

Expected Progeny Differences.

What is the purpose of a selection index in breeding?

To evaluate and select animals based on multiple traits.

What is the significance of marker-assisted selection in breeding?

It utilizes genetic markers for quantitative trait selection (QTL) to improve desirable traits.

Name one gene associated with quantitative trait selection

HAL gene.

What trait does the K88 gene influence in pigs?

Skin color.

How are the gilts ranked for producing boars focused on terminal traits?

They are ranked based on their NBA, LWT, DAYS, and BF values.

What key metric is used to evaluate gilts for replacement in breeding programs?

Traits like NBA, LWT, DAYS, and BF.

What criteria should be used to choose a gilt for improving litters?

Select based on the highest values for MLI, TSI, and SPI.

What should be considered when selecting a gilt for producing terminal sires?

Review MLI, TSI, and SPI to determine the best option.

What is the goal when choosing a gilt?

To improve the overall quality of pigs produced in a farrow-to-finish operation.