Effects of heart fatty acid biding protein (H-FABP) gene, housing system and sex on carcass and meat quality of commercial crossbred pigs
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Abstract
The results showed three H-FABP HaeIII genotypes (DD, Dd, and dd), three H-FABP MspI genotypes (AA, Aa, and aa) and the H-FABP HinfI (HH). The allele Frequency of HaeIII, MspI and HinfI polymorphism were shown as follows: D=0.55 and d=0.45; A=0.68 and a=0.32, while H=1. There was no effect (p> 0.5) of H-FABP genotypes on carcass quality. It was shown that no significant effect of H-FABP genotypes on meat quality traits T1, T24, pH1, color (L, a*, b*), and drip loss. However, it was found that the pH24 of both genotypes Dd and dd had lower than genotype DD. Similarly, the pH24 of both genotypes Aa and aa had lower than AA. Whereas sex (gilts and barrows), gilts had muscle temperature which lower than the barrows. The pH1 of the carcasses from closed house had lower than those in opened house. Whereas, the pH24 of the carcasses from opened house had lower than those in closed house.
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