ROLE OF INSTRUCTOR ON ARTIFICIAL INSEMINATION LESSON TO CATTLE FARMERS IN WEST KAWANGKOAN DISTRICT MINAHASA REGENCY. The purpose of this study was to examine how the role of instructors in learning artificial insemination to cattle farmers in West Kawangkoan District, Minahasa Regency, that is by looking at the role of extension agents, the success of IB learning and the role of extension agents with the success of artificial insemination learning to cattle farmers. Data collection was carried out by direct interviews with cattle breeders assisted by questionnaires. Data analysis using index percent formula for determining variable values and simple correlation analysis to see the relationship between the role of instructor variables and the success of artificial insemination learning to cattle farmers. The results of the analysis show that the role of the instructor is in good category and the success of learning artificial insemination is in the successful category, so there is a relationship between the role of instructor and the success of artificial insemination learning to cattle farmers in West Kawangkoan District, Minahasa Regency.