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.: Home > Animal Science Papers and Reports > 2004 > Volume 22 Number 4 > Wojciech Kapelaٌski, Salomea Grajewska, Maria Bocian, Jolanta Kapelaٌska, Anna Hammermeister, Joanna Wiœniewska

Relations between blood serum biochemical indicators and weight gain and fat and lean meat content of carcass in pigs

Wojciech Kapelaٌski, Salomea Grajewska, Maria Bocian, Jolanta Kapelaٌska, Anna Hammermeister, Joanna Wiœniewska
Department of Pig Breeding, University of Technology and Agriculture, Mazowiecka 28, 85-084 Bydgoszcz, Poland
Abstract :

In 98 growing pigs serum biochemical indicators (T4, T3, AspAT, ALAT, total protein, urea nitrogen
and total cholesterol) were determined twice, at the end of the first fattening phase and next at
slaughter. Correlations were determined between serum biochemical indicators, daily gains in the
two fattening stages and carcass quality characteristics. We found a number of significant changes in serum concentration of particular components during the fattening period. T4 level was lower at the end of fattening (P<0.01), no visible changes were found in T3 and urea nitrogen, whereas the remaining indicators, particularly transaminases, displayed a significant increase (P<0.01). Some of the indicators were significantly correlated with weight gain (total serum protein, urea, AspAT and ALAT) or with carcass fatness (T4, urea, cholesterol, AspAT) and carcass lean meat content (urea, AspAT). The results proved the significant effects of biochemical metabolic processes on some fattening performance traits as well as on the fat and lean meat content of carcass in pigs.

Keywords :
blood / carcass / biochemical indicators / fattening / pigs

Date Deposited : 11 Aug 2011 13:12

Last Modified : 11 Aug 2011 13:12

Official URL: http://www.ighz.edu.pl/

Volume 22, Number 4, - 2004

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