01176naa a2200193 a 450000100080000000500110000800800410001910000180006024500360007826000090011452007140012365000100083765000140084765000100086170000170087170000180088870000160090677300600092220967112018-10-02       1990    bl uuuu     u00u1 u    #d1 aSUDHAN, N. A.  aLamb mortality in exotic sheep.  c1990  aLamb (birth to 1 year of age) mortality in Corriedale. Southdown and polled Dorset breeds, reared under identical conditions at Sheep Breeding Farm of the division was analysed. The effect of year, sex, breed and month of the year on lamb mortality was also studied. The overall mortality was reduced from 72% in 1984 to 26% in 1986 (P &lt 0.01). Corriedale breed showed lower lamb mortality rates than the other two breeds (P &lt 0.01). Sex of lamb had no effect on the lamb deaths. The preponderances of lamb deaths were more from February to June (76%) than during rest of the months. The major cause of death as observed on gross necropsy were pneumonia (51%), pneumoenteritis (18.6%) and enteritis (18%).  aLambs  aMortality  aSheep1 aRISAM, K. S.1 aMATTOO, F. A.1 aWANI, G. M.  tIndian Veterinary Journalgv. 67, n. 1, p. 51-54, 1990.