Phenotypic and genotypic variability of quality traits of carcass sides and meat | Fenotipska i genetska varijabilnost osobina kvaliteta polutki i mesa
2006
Petrovic, M., Univerzitet u Beogradu, Beograd - Zemun (Serbia). Poljoprivredni fakultet | Pusic, M., Institut za primenu nauke u poljoprivredi, Beograd (Serbia) | Radojkovic, D., Univerzitet u Beogradu, Beograd - Zemun (Serbia). Poljoprivredni fakultet | Mijatovic, M., Univerzitet u Beogradu, Beograd - Zemun (Serbia). Poljoprivredni fakultet | Radovic, C., Institut za stocarstvo, Beograd - Zemun (Serbia) | Zivkovic, D., Institut za stocarstvo, Beograd - Zemun (Serbia)
Investigation phenotypic and genotypic variability of carcass side quality traits and pH values of Musculus semimembranosus was carried out on 997 fatteners (446 females and 551 castrates) who originated from 20 sires. Sires were pure bred (Swedish Landrace, Large White and Duroc) and two-breed crosses (Duroc x Hampshire). In average 48.8 progeny - fatheners per sire were tested. Sires and sex of offspring influenced variation of all traits (P is less than 0.01) except on value pH45. Genotype of sire influenced (P is less than 0.05) variation of both pH values. Heritability coefficients of quality traits of carcass sides were medium and in the interval from 0.234 to 0.408. Low value of heritability coefficient (0.098) was evaluated for trait pH45. Contrary to this trait was of different force (from very weak to complete) and sign. Between traits pH45 and pH24 evaluated coefficient of phenotypic correlation was not statistically significant.
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