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izvor podataka: crosbi

Phenotypic characteristics and heritability of m. longissimus dorsi chemical composition in Croatian Simmental bulls (CROSBI ID 141032)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Štoković, Igor ; Karadjole, Ivo ; Križanović, Dubravka ; Božić, Pero ; Ekert Kabalin, Anamaria Phenotypic characteristics and heritability of m. longissimus dorsi chemical composition in Croatian Simmental bulls // Veterinarski arhiv, 79 (2009), 4; 333-341

Podaci o odgovornosti

Štoković, Igor ; Karadjole, Ivo ; Križanović, Dubravka ; Božić, Pero ; Ekert Kabalin, Anamaria

engleski

Phenotypic characteristics and heritability of m. longissimus dorsi chemical composition in Croatian Simmental bulls

Simmental breed is a dual purpose breed widely spread in the Republic of Croatia and represents more than two thirds of overall cattle population. In this research we have focused on heritability of chemical components (dry matter, water, protein, fat and ash) in musculus longissimus dorsi (MLD) and its phenotypic characteristics. The trial comprised 698 young bulls, which were sons of 68 sires chosen for artificial insemination (AI), during the period of 13 years. Average chemical composition of MLD was as follows: dry matter 24, 87± ; ; 0, 04%, water 75, 13± ; ; 0, 04%, protein 20, 63± ; ; 0, 05%, fat (ether extract) 3, 14± ; ; 0, 06% and ash 1, 10± ; ; 0, 002%. We have calculated heritability and phenotypic correlations among chemical components and analyzed various influences for all components. All calculations were made in SAS 8.0 (Statistical Analysis System) and Statistica 7.1 software. Phenotypic correlations between dry matter and water, protein, fat and ash were -1, 00, 0, 20, 0, 50 and -0, 20, respectively. Correlations between water and protein, fat and ash were -0, 20, -0, 50 and 0, 20, respectively. Correlation coefficient between protein and fat was -0, 75 ; between protein and ash -0, 05 and between fat and ash -0, 10. All correlations were significant (p<0, 01) except between protein and ash. Heritability estimates for investigated traits were: final weight 0, 73 ; dry matter 0, 60 ; water 0, 60 ; protein 0, 40 ; fat 0, 30 and ash 0, 36. Influence of year, season and month on chemical composition of MLD was significant (p < 0, 01). Phenotypic correlations and heritability estimates could be used for selection in order to improve investigated traits.

Simmental cattle ; MLD ; chemical composition ; heritability

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Podaci o izdanju

79 (4)

2009.

333-341

objavljeno

0372-5480

1331-8055

Povezanost rada

Veterinarska medicina

Indeksiranost