1. 1) S. Kishi, T. Kimura, T. Minami, and H. Kobayashi: Process for producing protein-rich product, fibrous product and/or vegitable oil from brewer's spent grain. Japanese patent No. 1745314 (1993) (in Japanese).
2. 2) T. Yamamoto, P. A. Marcouli, T. Unuma, and T. Akiyama: Utilization of malt protein flour in fingerling rainbow trout diets. Fisheries Sci., 60, 455-460 (1994).
3. 3) S. Shimeno, T. Mima, H. Kinoshita, and S. Kishi: Inclusion of malt protein flour to diet for fingerling yellowtail. Nippon Suisan Gakkaishi, 60, 521-525 (1994) (in Japanese).
4. 4) J. E. Halver: Nutrition of salmonid fishes III. Water soluble vitamin requirement of chinook salmon. J. Nutr., 62, 225-243 (1957).
5. 5) D. B. Duncan: Multiple range and multiple F tests. Biometrics, 11, 1-42 (1955).