Bali cattle performance in the dry tropics of Sumbawa

摘要: Preliminary data on Bali cattle reproduction and growth presented is based monitoring between August 2001 2003 in the Sumbawa Dompu Districts of Island, NTB. Sixty two % calves were born May July inclusively. Inter-calving interval averaged 11.9 ±1.9 months; though recognized as an under-estimate, it still indicated high fertility. Post-natal calf mortality was 5.3%. Birth, 6-, 18-month weights 14.2 ± 2.4 kg, 90 20 172 40 respectively, recorded. Average daily gains birth to 6 months from 18 0.41 0.11 0.23 kg/d, respectively. Females reached mature size at 2.5-3.0 years a mean weight 237 kg height 1147 mm. Weight could be accurately predicted chest girth: (kg) = 7e0.0023 Chest girth (mm) (R2=0.9656). At sites monitored, high, typical for cattle, indicating that these animals are well suited dry tropical environment Sumbawa. Key words: Bali, weight, tropic