P.Sasikala PG student, Department of Dairy Technology, College of Dairy Technology, Sri Venkateswara Veterinary University Tirupati (Andhra Pradesh) pallasasikala1@gmail.com | Y.Kotilinga Reddy Associate Dean, College of Dairy Technology, Sri Venkateswara Veterinary University, Tirupati (Andhra Pradesh) ykotilingareddy@yahoo.com |