1. Department of Animal Production, Faculty of Animal Husbandry, Jatinangor Campus, Universitas Padjadjaran, Sumedang 45363, Indonesia
2. Department of Animal Nutrition and Feed Technology, Faculty of Animal Husbandry, Jatinangor Campus, Universitas Padjadjaran, Sumedang 45363, Indonesia
3. Department of Animal Nutrition and Feed Technology, Faculty of Animal Science, IPB University, Bogor 16680, Indonesia
4. School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne NE1 7RU, UK