Question

What is foreground and background selection in back cross breeding?

Answer 1

Foreground selection vs. background selection. Foreground selection refers to using markers that are tightly linked to the gene of interest in order to select for the target allele or gene.

Answer 2

Exotic breeds are selected during cross breeding
for high yield of milk, long lactation period, good quality and quantity of milk.

Local breeds are selected for the weather tolerance and excellent disease resistant capability.