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The effect of selected factors on sensory quality of pork

100%

Jaworska D., Przybylski W.

Żywność Nauka Technologia Jakość

2014

tom 21

nr 5

This manuscript presents results of authors` research regarding selected factors influencing sensory pork quality. In the manuscript the role of breed, genes (RYR1T, RN-, CAST), slaughter weight as well as meatiness is comprised. Additionally, the role of intramuscular fat, ultimate pH and heat treatment on pork quality is discussed. It was stated that the optimization of the sensory aspects of the pork quality should not be limited to one aspect only but it should include the practical use of a number of dependent determinants. Obtaining high eating quality depends also on the quality of the raw material and the way of thermal processes (temperature, time, method of thermal process).

Preliminary observations on the effect of calpastatin gene [CAST] polymorphism on carcass traits in pigs

80%

Kuryl J., Kapelanski W., Pierzchala M., Grajewska S., Bocian M.

Animal Science Papers and Reports

2003

tom 21

nr 2

The aim of the study was to characterize the polymorphism of calpastatin (CAST) gene identified with three restriction enzymes (HinfI, MspI, RsaI) in several pig breeds and lines bred in Poland and to evaluate the relation between the CAST genotypes and carcass traits. The analyses covered a total of 294 fatteners of Polish Landrace (PL), Pietrain (P), Zlotnicka Spotted (ZS), Torhyb [P × (Polish Large White × PL)] and Stamboek (Dutch Large White × Dutch Landrace). P pigs appeared to be monomorphic at each of loci considered, i.e. CAST/HinfI, CAST/MspI and CAST/RsaI, whereas all three genotypes at these loci were observed only in ZS and Stamboek pigs. An association between genotypes at locus CAST and carcass traits was analysed on 39 Stamboek castrated males free of RYR1T gene. Genotypes DD at locus CAST/MspI and EF at locus CAST/RsaI proved less fatty (thinnest backfat and lower weight of backfat with skin in loin) than two remaining genotypes at each of these loci. Moreover, genotypes DD at locus CAST/MspI and EE at locus CAST/RsaI were the most advantageous for eye-muscle area when compared to the remaining genotypes at these loci. It is concluded that CAST gene may be considered as a candidate gene for pig carcass quality. However,further studies are needed on more numerous animal material covering breeds (e.g. Large White) with all possible genotypes at loci considered in this report.

Ograniczanie wyników

1 Animal Science Papers and Reports

1 Żywność Nauka Technologia Jakość

1 Bocian M.

1 Grajewska S.

1 Jaworska D.

1 Kapelanski W.

1 Kuryl J.

1 Pierzchala M.

1 Przybylski W.

1 2014

1 2003

Wyniki wyszukiwania

The effect of selected factors on sensory quality of pork

Preliminary observations on the effect of calpastatin gene [CAST] polymorphism on carcass traits in pigs