Evaluation of sex influence on parameters of carcass value at cattle higher nutrition level | Hodnocení vlivu pohlaví na ukazatele jatečné hodnoty skotu při vyšší úrovni výživy
2011
Bjelka, M., Mendel Univ., Brno (Czech Republic) | Šubrt, J., Mendel Univ., Brno (Czech Republic) | Bezdíček, J., Research Institute for Cattle Breeding, Ltd., Rapotín (Czech Republic) | Voríšková, J., University of South Bohemia, České Budějovice (Czech Republic) | Filipčík, R., Mendel Univ., Brno (Czech Republic)
The quality of carcass of beef breed heifers and crossbreds with beef breed is in most cases comparable to the quality of bull carcass. Therefore, it is necessary to encourage the breeders to produce (rear) heifers in the above mentioned combinations so as to increase the quality of beef carcasses for meat industry in the Czech Republic. The crossbred of Holstein and Charolais races - one sire of both - was chosen for the experiment. Using a uniform methodology, we monitored 22 animals, slaughtered and evaluated in two slaughterhouses. After cooling them off, cutting was carried out according to the Czech standard 466120. The carcass quality was classified according to the SEUROP system. Meat of the 1st class and 2nd class, bones and separable fat were distinguished. The evaluation of slaughter age and sex did not reveal any statistically significant difference. Nevertheless, highly significant difference between groups of bulls and heifers was detected in weight of kidney-pelvic fat (+4.29 kg of heifers), hides weight (+14.55 kg of bulls), carcass body weight (+87.37 kg of bulls).
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