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- [3] VOLUNTARY INTAKE AND RUMEN DIGESTION OF A LOW-QUALITY ROUGHAGE BY GOATS AND SHEEP JOURNAL OF AGRICULTURAL SCIENCE, 1991, 117 : 111 - 120
- [5] THE USE OF THE RUMEN DEGRADATION CHARACTERISTICS OF HAY AS PREDICTORS OF ITS VOLUNTARY INTAKE BY SHEEP ANIMAL PRODUCTION, 1991, 52 : 133 - 139