1. Gita Ciptaan:
Department of Nutrition and Feed Technology, Faculty of Animal Husbandry, Andalas University, 25163 Padang, Indonesia
2. Yetti Marlida:
Department of Nutrition and Feed Technology, Faculty of Animal Husbandry, Andalas University, 25163 Padang, Indonesia
3. Periadnadi :
Department of Nutrition and Feed Technology, Faculty of Animal Husbandry, Andalas University, 25163 Padang, Indonesia
4. Yose Rizal:
Department of Nutrition and Feed Technology, Faculty of Animal Husbandry, Andalas University, 25163 Padang, Indonesia