You are hired by Murphey Farms to decrease the percent backfat in their hogs. Th
ID: 42527 • Letter: Y
Question
You are hired by Murphey Farms to decrease the percent backfat in their hogs. The current hog population has a mean backfat content of 21.1%. You selected the hogs with the lowest percent backfat, mated them and obtained the progeny generation. The selected hogs had a mean backfat content of 11.5%. You know that the heritability for percent backfat in hogs is 0.32.
A) What is the selection differential? Round your values properly to 2 decimal digits and report your answer as a percent.
B) What is the expected response to selection? Round your values properly to 2 decimal digits and report your answer as a percent.
C) What is the expected mean of the progeny generation? Round your values properly to 2 decimal digits and report your answer as a percent.
Answer and explain, please!
Explanation / Answer
A. Selection differential is the difference between the percentages of mean backfat content of the selected hogs from the current hog population. Selection differential is represented by