Abstract
Meat quality of beef-cross-dairy cattle born in the dairy industry and finished on hill-country pastures is not well characterised. This experiment aimed to objectively evaluate meat quality traits of 15 Angus and 18 Hereford sires via progeny testing of their 326 beef-cross-dairy offspring, and to compare the intramuscular fat (IMF) percentage with the AUS-MEAT marble scores. Beef-breed sires had similar and overall good objective meat quality characteristics. Ultimate pH was not affected by sire (P > 0.05). The differences among sires in meat quality (fat yellowness b*, meat redness a*, yellowness b* and chroma C*, cook loss and shear force, P < 0.05) were small and all values were within the normal range for beef. Marble scores could capture the variation of IMF at marbling score 1–3, but was not effective to distinguish between 0 and 1. In conclusion, the effect of sire on the meat quality of the beef-cross-dairy progeny in this study was of minor importance.
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