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The aim of this study was to assess the effect of the meat yield breeding values of sireson highly valued parts of carcasses in their progeny. The study was carried out on CzechFleckviehs, a breed dual purpose milk-beef production. Cutting parts evaluated were: round,strip loin and tender loin (first-class meat); rib, shoulder blade (boneless), fore shank, flank,chuck roll + neck (second-class meat) and separable fat.  The correlation analysis showed significant negative relationships only for the relativebreeding values of trading classes and the rib (r=−0.2079); relative breeding values of netdaily gain with strip loin (r=−0.2433). Although strip loin is an important first-class meat cut,the correlation is rather low. Correlations between other meat cuts with breeding valueswere non-significant. The correlation between meat cuts and age showed the same patternas correlations between meat cuts and weight at slaughter. Significant negative correlationswere found between first-class meat and increasing age (r=−0.1979) and weight (r=−0.2884).In contrast, for second-class meat there were positive correlation with increasing age andweight (r=0.3489 for age, r=0.4495 for weight). This also corresponds with the correlationbetween age or weight and specific first-class meat cuts (tender loin r=−0.2804, r=−0.3413,strip loin r=−0.3710, r=−0.2012) and second-class meat (sep. fat r=+0.2360, r=+0.2951, r forcorrelation with age and weight respectively).  Based on the calculations of canonical analysis 27.75 % explained variability was foundfor variables relative breeding value of net daily gain (RBVndg), relative breeding value oftrading class (RBVtc), age and weight using a linear combination of variables for individualcuts. At the same time, 14.25 % explained variability was found for cut variables which can beexpressed using linear combinations of RBVndg, RBVtc, age and weight

Relationships of sire breeding values and cutting parts of progeny in Czech Fleckvieh bulls