1. Institute of Livestock and Grassland Science, National Agriculture and Food Research Organization
2. Graduate School of Agriculture, Hokkaido University
3. Bio-oriented Technology Research Advancement Institution, National Agriculture and Food Research Organization
4. Faculty of Bioresource Sciences, Akita Prefectural University
5. Institute for Agro-Environmental Sciences, National Agriculture and Food Research Organization
6. Faculty of Agriculture, Iwate University
7. Dairy Research Center, Agricultural Research Department, Hokkaido Research Organization
8. Civil Engineering Research Institute for Cold Region, Public Works Research Institute