Haryati, T; Balai Penelitian Pernak, PO Box 221, Ciawi, Bogor 16002; Soewandi, BDP; Balai Penelitian Pernak, PO Box 221, Ciawi, Bogor 16002; Raharjo, Y; Balai Penelitian Pernak, PO Box 221, Ciawi, Bogor 16002 (Prosiding Seminar Nasional Teknologi Peternakan dan Veteriner, )