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Different factors thought to have effect on the mortality of lambs w.r.t. 3 breeds of sheep have been presented. Kacchi breed had the highest lamb mortality (14.2%) followed by Thalli breed (11.9%) while that of Pak-Karakul was the lowest (7.3%). Female lamb had the highest overall mortality rate (10.2%) while that of male was the lowest (8.8%). The lamb had the highest overall mortality rate (36.7%) between age group of 91-120 days (3 months) while between 1-30 days (1 month) of age, mortality was the lowest (4.7%).The lamb had the highest overall mortality rate (12.2%) during spring while it was the lowest (5.5%) in summer. The lamb had the highest overall mortality rate (43.7%) due to pneumonia followed by gastro-enteritis (19.2%) and heat stroke (10.7%). The lamb had the highest overall mortality rate (44.1%) of the dam having 3 years of age followed by 4 years of age of dam (25.7%). Proper feeding of the pregnant ewes, controlled breeding and better management before lambing can play an important role in reducing the mortality.
About the author
El Sr. Mehmood nació en agosto de 1984 en Rahim Yar Khan. Completó su educación básica en la misma ciudad. Se graduó en Ciencias Animales de la UAF-Pak en 2006 y luego, en 2009, obtuvo el título M. Sc (Hons) en LM. El Sr. Sibtain Ahmad es un becario de doctorado (China) y también profesor en LM Deptt. UAF-Pak. Dr. M.I. Mustafa es Assoc. Prof. en LM Deptt. UAF-Pak.
