What is administered to cows to increase milk production?

In dairy farm management,we deal with processes and systems that increase yield and improve quality of milk. Which of the following statements is incorrect in this regard?

Name the methods employed in animal breeding. According to you,which one of the methods is best? Why?

Select the appropriate option for Animal Husbandry.

Statement $X$: In animals,the proportion of homozygosity can be increased in heterozygotes.
Reason $Y$: Inbreeding is performed in animals.

Which center is associated with research related to animal breeding,rearing,and health?