detected that ostracize were effectively synchronized and that reproductive performance displayed a significant increase. Ozturk and Elicin (1999) investigated the effects of exogenous hormone use during anoestrus period in crossbred sheep bearing Boorola genes on reproductive performance and determined that pregnancy, lambing and multiple birth rates were significantly high in the group under application. In the study, on supervising reproductive performance using exogenous hormone in Karakas sheep under producers’ conditions in the Eastern Anatolian Region, Karakus and Askin (2007) concluded depending on their findings that some preliminary conditions were required for applying these applications under producers’ conditions.