What are the average selection differentials for

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Case Study: A swine producer is trying to decrease backfat in his herd. He decides to measure all the boars and gilts he puts on test. The average boar pig in the herd has 1 inch of backfat and the average gilt has 1.2 inches. His replacement boars average .8 inch and his replacement gilts average 1.1 inches. Assume generation intervals of 1.5 yr for both boars and gilts. The heritability of backfat thickness is .40.

Questions:

What are the average selection differentials for males and females in inches?

What is the expected response per year in a) females and b) males?

Reference no: EM133431196

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