共 2 条
- [1] THE USE OF BIOCHEMICAL PARAMETERS TO MONITOR THE NUTRITIONAL-STATUS OF RUMINANTS .1. THE RELATION BETWEEN CONCENTRATION OF UREA NITROGEN IN THE PLASMA OF GROWING CATTLE AND CRUDE PROTEIN-CONTENT OF THE DIET ZIMBABWE JOURNAL OF AGRICULTURAL RESEARCH, 1980, 18 (02): : 53 - 64
- [2] THE USE OF BIOCHEMICAL PARAMETERS TO MONITOR THE NUTRITIONAL-STATUS OF RUMINANTS .3. THE INFLUENCE OF ENERGY-INTAKE AND SAMPLING TIME ON THE RELATION BETWEEN CONCENTRATION OF UREA-NITROGEN IN THE PLASMA OF GROWING CATTLE AND CRUDE PROTEIN-CONTENT OF THE DIET ZIMBABWE JOURNAL OF AGRICULTURAL RESEARCH, 1984, 22 (01): : 35 - 50