1. Department of Animal Science, North Carolina State University, Raleigh, North Carolina 27695, USA;
2. ADM Animal Nutrition, Decatur, Illinois 62526, USA;
3. Ministry of Agriculture Key Laboratory of Animal Nutrition and Feed Science in South China, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, 510640 Guangzhou, China;
4. Agri-Food and Biosciences Institute, Hillsborough, County Down, Northern Ireland BT26 6DR, United Kingdom;
5. Faculty of Biosciences and Aquaculture, Nord University, 8049 Bodø, Norway;
6. EcoAqua, Universidad de Las Palmas de Gran Canaria, Taliarte, 35214 Telde, Las Palmas, Canary Islands, Spain;
7. Department of Animal Science, Cornell University, Ithaca, New York 14853, USA;