The Effect of Postpartum Reproduction Disease on Reproductive Traits in Friesian Holstein Cows in Tropical Region: Case Study

Problems on dairy farm in tropical countries are the low reproductive appearance of female cows, such as the late of estrus post partus, the high value of S/C and the long Days Open. One contributing factor is postpartum diseases such as Retention of Foetal Membranes and Endometritis. This research was conducted at PT Greenfields Indonesia dairy farm located in Malang Indonesia. The material used in this study is the data recording of 1312 lactation cows consisting of 1156 normal postpartum cows, 78 RFM cows and 78 cows that occur Endometritis. Data analysis in this study used one-way ANOVA test. The results showed that post partus reproductive disease (RFM and Endometritis) had a significant effect (P <0.05) on Estrus post partus with the average appearance of estrus post-partus in normal cows 49.76 ± 6.64, cows that occurred RFM 59.23 ± 7.21 and cows with Endometritis, 51.27 ± 8.9. Postpartum reproductive diseases (RFM and Endometritis) have a significant effect (P