Technological quality of bull carcasses in relation to their commercial type
2000
Polach, P. | Zajic, Z. (Usovsko, Klopina (Czech Republic)) | Subrt, J.
The goal of the present paper was to analyze the carcass value of fattened bulls-crossbreds with the most important beef breeds. Bulls were products of commercial crossing (F1 generation) of a domestic milked population of dairy cows with dual-purpose efficiency and bulls of specialized commercial meat types of these breeds: Aberdeen Angus (Aa), Blonde d'Aquitaine (Ba), Belgian Blue-White (Bm), Charolaise (Ch), Limousine (Li) and meat Simmentaler (Si). The progeny of breeding bulls of Czech Pied breed (C) was used as a control group. Statistically significant differences in daily weight gains between the C animals (974 g/day) and the groups C x Ch (1,043 g/day) and C x Si (940 g/day) were indicated. Evaluation of fatness of dressed carcasses to include them in classes on the basis of this trait resulted in the highest value 1.12 in groups C and C x Ch, and in the lowest value 1.00 in groups C x Bm and C x Li. The lowest values of the weight and proportion of butchers bones (bones of the axial skeleton without skull, i.e. spinal bones) in dressed carcass (19.12 kg; 6.33 %) were observed in group C x Li.
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