This article was written by Kristy Blankers and Delma Kennedy Introduction Animal efficiency is important to a livestock farm’s bottom line. Therefore, it is beneficial to select for animals that are able to wean more kilograms of lamb per kilogram of mature body weight. Animal performance is influenced by a ewe’s body condition score (BCS) and body weight. To effectively select animals that are more efficient, body weight and BCS must be taken into consideration. Over the past four years, BCS, body weight, and performance data has been collected on farm with the objective of being able to create a genetic evaluation model to select animals that can maximize production per kilogram of mature body weight. With three breeding seasons…


