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- [7] THE EFFECT ON MILK-PRODUCTION OF DIFFERENT PROTEIN-SOURCES FOR DAIRY-CATTLE GIVEN HAY ANIMAL PRODUCTION, 1981, 32 (JUN): : 368 - 368
- [9] ESTABLISHMENT OF A RUMINAL PROTEIN-DEGRADATION DATA-BASE FOR DAIRY-CATTLE USING THE INSITU POLYESTER BAG TECHNIQUE .2. ENERGY-SOURCES SOUTH AFRICAN JOURNAL OF ANIMAL SCIENCE-SUID-AFRIKAANSE TYDSKRIF VIR VEEKUNDE, 1990, 20 (03): : 124 - 129