Effect of Different Breeds and Gender of Cattle on Beef Tenderness

doi:10.11924/j.issn.1000-6850.2013-1821

Abstract

Abstract: This study was to investigate the effect of different breeds and gender of cattle on beef tenderness, and to provide evidence for the varietal improvement and fattening. The beef samples from 15 BMY feedlot steers, 9Yunnan cattle (YNC, 4female and 5feedlot steers), 6Shorthorn×Yunnan cattle(SHY) feedlot steers, 4Simmental×Yunnan cattle (SIY) feedlot steers which had been fattened for (13±1) months were collected and sealed in clean fresh frozen bag. Shear force values were determined. The results showed that there were no significant differences (P> 0.05) for shear force values of beef between the female cattle and the steers. The mean shear force values of brisket from the BMY steers was significantly lower (P <0.05) than that from the SIY steers. The mean shear force values of beef flank from the BMY steers was significantly lower than that from the SHY steers (P＜0.01), SIY steers (P＜0.01)and YNC steers (P<0.05). The mean shear force values of beef flank from the YNC steers was significantly lower (P<0.05) than that from SHY steers. There were no (P > 0.05) gender differences for beef tenderness. Breeds only affected the tenderness of brisket and beef flank and there were no (P > 0.05) breed differences in beef tenderness for highrib, ribeye, striploin, eyeround, outsideplat, beef- neck.

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