Research of Performance Simmental Crossbred in Indonesia

PERFORMANCE OF SIMMENTAL CROSSBRED AND ONGOLE CROSSBRED COWS IN PREPARTUM TO POSTPARTUM PERIOD IN BAMBANGLIPURO DISTRICT BANTUL SUB-PROVINCE

By

Wisnu Tri Husodo Michael Christoffor

This research aim to know: 1. Performance of Simmental crossbred and Ongole crossbred cow in pregnant period seven months to pregnant again in ranch of people. 2. Performance of calves before weaning from Simmental crossbred and Ongole crossbred dams. 3. Feed intake on prepartum and postpartum period. This research was carried out in Bambanglipuro district, Bantul sub-province form June 2003 to June 2004 with 18 Simmental crossbred and 18 Ongole crossbred cows in pregnant seven months condition. The variables observed were change of cows body weight during research, birth weight and growth of calf, postpartum estrus, service per conception (S/C), conception rate (CR), pregnancy rate, calving interval, quality and quantity feed intake. The data on gain weight of the cows, body weight at parturition, birth weight of calf, postpartum estrus and calving interval were analyzed using T test while S/C and CR were analyzed using Chi-Square. The result of the research showed that gain weight both of breed cows have increase until before parturition and then decreased. Simmental crossbred body weight was higher (P<0,01) than Ongole crossbred (463,70 ± 47,29 kg vs. 349,90 ± 63,34 kg) but changes of body weight daily before parturition did not differ significantly. Birth weight calf of Simmental crossbred was higher (P<0,01) than Ongole crossbred (37,47 ± 5,03 kg vs32,17 ± 4,08 kg), average daily gain calf Simmental crossbred was higher (P<0,01) than Ongole crossbred (1,04 ± 0,30 kg/head/day vs 0,72 ± 0,15 kg/head/day). Length gestation, postpartum estrus, calving interval, S/C, CR did not differ significantly. Dry matter and crude protein intake before parturition did not differ significantly, dry matter intake after parturition, Simmental crossbred have higher (P<0,01) than Ongole crossbred (10,97 ± 2,52 kg vs. 8,44 ± 2,05 kg). The conclusion of this research was that performance of Simmental crossbred was better than Ongole crossbred in the case of body weight and performance of calf

Key words: Peformance, Dam, Simmental crossbred, Ongole crossbred