The comparison of EU reference methods for the prediction of lean meat contents in pig carcasses
2012
Pulkrabek, J., Vyzkumny Ustav Zivocisne Vyroby, Prague (Czech Republic) | David, L., Vyzkumny Ustav Zivocisne Vyroby, Prague (Czech Republic) | Vitek, M., Vyzkumny Ustav Zivocisne Vyroby, Prague (Czech Republic) | Valis, L., Vyzkumny Ustav Zivocisne Vyroby, Prague (Czech Republic)
The objective of this study was to evaluate the methods of full and simplified carcass dissections used for the prediction of pig carcass lean meat contents in the Czech Republic. A total of 40 commercially fattened pigs (20 gilts and 20 barrows) were included in the experiment. Carcass dissections were performed 24 h post mortem. Three different methods were used to estimate carcass lean meat contents and the differences between the methods were analysed. The average weight of left half-carcasses was 44.39 kg. The lean meat contents determined by full detailed dissections (I), simplified dissections (II) and using a new reference method (III) were 56.25, 56.46 and 59.02 %, respectively. The difference between the methods I and II was small and statistically insignificant. However, the average lean meat content determined by the method III differed from those determined by the methods I and II by 2.77 and 2.56 percentage points, respectively. This increased estimate of the lean meat content using the method III is related to a new prediction equation introduced by the European Commission in 2008.
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