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- [8] NITROGEN CONCENTRATION IN BLOOD AND RUMEN LIQUOR OF CATTLE FED LOW PROTEIN DIETS JOURNAL OF RANGE MANAGEMENT, 1987, 40 (05): : 425 - 427
- [9] THE INFLUENCE OF DIETARY-PROTEIN INTAKE AND OF HOOF TRIMMING ON LAMENESS IN DAIRY-CATTLE ANIMAL PRODUCTION, 1988, 47 : 191 - 199