TY - JOUR T1 - Fine-scale discrimination of forage quality by sheep offered a soyabean meal or barley supplement while grazing a nitrogen-fertilized heather (Calluna vulgaris) mosaic JO - The Journal of Agricultural Science PY - 1994/12/01 AU - Duncan AJ AU - Hartley SE AU - Iason GR ED - DO - DOI: 10.1017/s0021859600070374 PB - Cambridge University Press (CUP) VL - 123 IS - 3 SP - 363 EP - 370 Y2 - 2024/12/28 ER -