KARKAS DAN LEMAK ABDOMINAL AYAM BROILER YANG DIBERI AMPAS BIR DALAM RANSUM (The Effect of Feer by-product in the Diet on Carcass and Abdominal Fat Percentage of Broiler Chicken) - Luthfi, D. Mahfudz (Fakultas Peternakan UNDIP Semarang, 2009)