Ohgi, 2004. Report of Hokkaido Prefectural Agricultural Experiment Stations (105): 1-40 Document reference Ohgi, T., 2004. Improvement of amino acid nutrition to reduce nitrogen excretion in lactating dairy cows. Report of Hokkaido Prefectural Agricultural Experiment Stations (105): 1-40Citation key Ohgi, 2004Datasheets Fish meal