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- [25] OBSERVATIONS ON RUMEN AMMONIA METABOLISM IN LACTATING DAIRY-COWS JOURNAL OF AGRICULTURAL SCIENCE, 1980, 95 (AUG): : 235 - 238
- [29] EFFECT OF SARSAPONIN IN THE RATION OF LACTATING DAIRY-COWS ON RUMEN FERMENTATION AND PRODUCTION PERFORMANCE OKLAHOMA AGRICULTURAL EXPERIMENT STATION MISCELLANEOUS PUBLICATION, 1985, (117): : 129 - 132