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- [1] NOTE ON RUMEN AMMONIA AND BLOOD UREA LEVELS IN STEERS ADMINISTERED UREA OR SPARINGLY SOLUBLE UREA DERIVATES AS NITROGEN SUPPLEMENTS ANIMAL PRODUCTION, 1977, 24 (FEB): : 117 - 119
- [2] DYNAMICS OF BLOOD UREA AND RUMINAL AMMONIA IN FASTING SHEEP PHYSIOLOGIA BOHEMOSLOVACA, 1970, 19 (06): : 519 - &
- [4] COMPARATIVE EFFECTS OF AMMONIUM-SULFATE AND UREA ON TOXICITY, BLOOD AMMONIA AND BLOOD UREA IN SHEEP FEEDSTUFFS, 1974, 46 (22): : 22 - 23
- [5] COMPARATIVE EFFECTS OF ORAL ADMINISTRATION OF UREA AND UREA PHOSPHATE ON CONCENTRATIONS OF AMMONIA AND UREA IN BLOOD OF SHEEP BRITISH VETERINARY JOURNAL, 1972, 128 (12): : R82 - R84