00726naa a2200145 a 450000100080000000500110000800800410001910000180006024501050007826000090018352002340019265000100042670000210043677301230045720884512018-03-12       2002    bl uuuu     u00u1 u    #d1 aCARSON, A. F.  aThe effect of management system at lambing and flock genetics on lamb output on lowland sheep farms.  c2002  aLamb mortality rates and lamb output at weaning were similar in grass-based lambing systems compared with labour intensive indoor lambing systems. The relative performance of the ewe and ram genotypes was similar in both systems.  aSheep1 aDAWSON, L. E. R.  tIn: ANNUAL MEETING OF THE BRITISH SOCIETY OF ANIMAL SCIENCE, 2002, York. Proceedings... Medlothian: BSAS, 2002. p. 53.