01166naa a2200265 a 450000100080000000500110000800800410001910000140006024501030007426000090017752004190018665000150060565000090062065000160062965000170064565000290066265000150069165000280070665000340073465000100076865000100077865000240078870000170081277300710082920656582017-03-01       1985    bl uuuu     u00u1 u    #d1 aSINGH, B.  aAge-specific lambing performance in Muzzaffarnagari sheep and its crosses with Dorset and Suffolk.  c1985  aLambing records collected over a 6-yr period on sheep of the Muzaffarnagri breed and its F1 and F2 crosses with Dorset and Suffolk were analysed. Data for Dorset- and Suffolk-sired crossbreds were combined. In purebreds, F1s and F2s resp., the lambing rate averaged 49.8, 47.2 and 55.6%, but differences were not significant. Lambing rates are tabulated for purebreds and pooled crossbreds according to age of ewe.  aCrossbreds  aEwes  aParturition  aReproduction  aReproductive performance  aCruzamento  aEficiência reprodutiva  aMelhoramento genético animal  aOvino  aParto  aReprodução animal1 aSINHA, N. K.  tThe Indian Veterinary Journalgv. 55, n. 8, p. 709-711, Ago. 1985.