57.
Replacing old males in a flock with a set of new and younger male after about two-thirds of the egg production period is known as

58.
Match the following columns:
Column I Column II
a. Priyanka 1. Mango
b. Swarna Roopa 2. Litchi
c. California Advance 3. Cashewnut
d. Alphonso 4. Loquat