Effect of Breed of Sire, Level of Postweaning Nutrition and Type of Birth on Ewe Growth and Lambing Performance at 12, 24 and 36 Months of Age

Abstract

A research project was designed and initiated in the fall of 1970 to evaluate the effect of breed of sire, level of pre- and postweaning nutrition, age at first breeding and type of birth on subsequent reproductive performance of the eww. The growth of the ewe, wool production and lambing performance data of the ewes at 12, 24, and 36 months of age will be reported in this paper