CARCASS PRODUCTION AND MEAT QUALITY OF MALE SUMBA ONGOLE, BRAHMAN CROSS AND AUSTRALIAN COMMERCIAL CROSS IN A FEEDLOT SYSTEM

Abstract

The research was conducted to study the carcass production and meat quality of Sumba Ongole (SO), Brahman Cross (BX) and Australian Commercial Cross (ACC) cattle grown intensively and slaughtered at different weight. Ninety-six (96) heads of male SO, BX, and ACC beef cattle of approximately slaughtered at the live-weight ofl (350-375 kg), II (376-400 kg), III (401-425 kg) and IV (426-450 kg), respectively. All animal were grown in a feedlot system with similar diet, namely 85% concentrated and 15% King Grass. The ration and water were given in ad libilum. The data obtained were analyzed by using a covariance analysis and profile analysis. The results indicated that the carcass percentage of BX was higher than SO and ACC cattle. There were significant differences between cattle breeds on percentage of bone, meat and fat of carcass. The percentage of bone tended to decrease by increasing of slaughtered weight. The physical quality and chemical composition of meat were affected significantly by breed. The meat of BX and ACC were tendered, and the water-holding capacity (WHC) value was higher than SO
cattle. The meat water content of SO cattle was higher than BX and ACC; on the contrary, the protein content of SO cattle was lower. The meat chemical composition did not differ significantly between slaughtered weight, excepted for the water content “as tended to decrease by increasing of slaughtered weight. The hydroxyproline content of SO was higher than BX and ACC, nevertheless no differ significantly between slaughtered weight were observed.