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- [5] Manipulating milk protein production and level in lactating dairy cows ADVANCES IN DAIRY TECHNOLOGY, VOL 12, 2000, 12 : 269 - 278
- [8] Metabolizable protein supply (PDIE) and restricted level of ruminally degradable nitrogen (PDIN) in total mixed rations: effect on milk production and composition and on nitrogen utilization by dairy cows LIVESTOCK PRODUCTION SCIENCE, 2000, 67 (1-2): : 41 - 53