CASE STUDY: Comparison of Heifer Jersey and Heifer Holstein Reproductive Parameters in Indonesia

— Reproduction is one aspect that can show the key to the success of dairy farming. This research was conducted in Wlingi, Blitar Regency, East Java, Indonesia. The material in this study is the data recording from the DHIA (Dairy Herd Information Analysis) computer program as many as 2378 cows consisting of 1107 heifer FH (Friesian Holstein) and Heifer Jersey as many as 1271 cows. The method in this research is descriptive analysis. The parameters used in terms of reproduction are Conception Rate (CR), Pregnancy Rate (PR) and Service Per Conception (SPC). The results showed the average PR Heifer FH was 20% while the Heifer Jersey was 34%. The average CR of Heifer FH is 39% while in Heifer Jersey it is 55%. The SPC rate on Heifer FH is 2.5 while that on Heifer Jersey is 1.8. The conclusion in this study is the app