共 50 条
- [6] A NOTE ON SUBSTITUION OF PROTEIN BY NON-PROTEIN NITROGEN IN BEEF RATIONS ANIMAL PRODUCTION, 1968, 10 : 223 - &
- [9] INFLUENCE OF NITROGEN-SOURCES AND PROTEIN LEVEL IN THE RATIONS ON NITROGEN-UTILIZATION BY FATTENING LAMBS ARCHIV FUR TIERERNAHRUNG-ARCHIVES OF ANIMAL NUTRITION, 1986, 36 (2-3): : 320 - 320