- Tytuł:
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Relationship between the live assessment of Holstein-Friesian bulls and beef breed crosses, and the post-mortem objective evaluation of beef carcasses
Związek pomiędzy przyżyciową oceną buhajów holsztyńsko-fryzyjskich i mieszańców z rasami mięsnymi a poubojową obiektywną oceną tusz wołowych - Autorzy:
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Wnek, K.
Gołębiewski, M.
Przysucha, T.
Gozdowski, D.
Puppel, K.
Slósarz, J. - Powiązania:
- https://bibliotekanauki.pl/articles/2082349.pdf
- Data publikacji:
- 2019
- Wydawca:
- Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
- Tematy:
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beef carcass
bull
beef breed crosses
objective evaluation
live assessment - Opis:
- Relationship between the live assessment of Holstein-Friesian bulls and beef breed crosses, and the post-mortem objective evaluation of beef carcasses. Methods of assessing the slaughter and fattening characteristics of live cattle are a common and inseparable element of breeding work, but the commonly used visual assessment methods are not fully objective. Nowadays, innovative methods for the computer image analysis of beef carcasses, which are usually precise and objective than methods and are often used. The aims of this study was to determine the relationship between live assessment and post-mortem analysis for the objective evaluation of carcasses, and to determine if it is possible to predict carcass quality based on live measurements. The material consisted of bulls that were Holstein Friesian breed (N=128), and beef breed crosses (N =170). The experiments included the zoometric measurement of the bulls and the results of an objective evaluation of the carcasses using computer image analysis. In terms of the beef breed crosses all live measurements were signifi cantly correlated (P < 0.05) with the post-slaughter values. The coeffi cients of determination (R2) were higher for crossbreed bulls than for dairy bulls by over 20% in the case of the distance between the heel and the shoulder and for hind quarter volume. In both research groups an increase in height at the withers resulted in a body conformation of(standardized regression coeffi cients –ß) 0.68 and 1.006, for pure breed and beef breed crosses respectively. Live cattle measurements – especially measurements performed on beef breed crosses, may forecast selected characteristics in beef carcasses.
- Źródło:
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Annals of Warsaw University of Life Sciences - SGGW. Animal Science; 2019, 58[1]; 79-89
1898-8830 - Pojawia się w:
- Annals of Warsaw University of Life Sciences - SGGW. Animal Science
- Dostawca treści:
- Biblioteka Nauki