TITLE

EFFECT OF INTROGRESSION OF WILD BOAR INTO LITHUANIAN INDIGENOUS WATTLE PIGS ON FAT COMPOSITION IN PORK UNDER CONVENTIONAL REARING

AUTHOR(S)
Razmaitė, Violeta; Švirmickas, Gintautas
PUB. DATE
March 2010
SOURCE
Veterinarija ir Zootechnika;2010, Vol. 49 Issue 71, p66
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The animals used in the study were females and castrated male hybrids from Lithuanian indigenous wattle pigs and their backcross with wild boar, containing 1/4 of wild boar. The muscles of hybrid pigs had a higher content of dry matter (P<0.05) than the muscles of purebred Lithuanian indigenous wattle pigs. The introgression of wild boar into Lithuanian indigenous wattle pigs under conventional rearing conditions slightly decreased (P=0.072) the proportion of saturated fatty acids, including C18:0 (P<0.05) in intramuscular fat. Although the introgression of wild boar did not appear to affect significantly the proportions of MUFA, the concentration of the individual (C20:1) fatty acid was lower (P<0.05) in the meat from 1/4 WB genotype. The proportions of PUFA were insignificantly higher in the intramuscular fat of 1/4 WB genotype compared with purebred Lithuanian indigenous wattle pigs. The introgression of wild boar had a higher effect on the proportions of fatty acids in the subcutaneous tissue compared with the effect on the proportions of fatty acids in the intramuscular fat. The concentrations of SFA (P<0.001) were lower in the subcutaneous tissue of 1/4 WB genotype compared with Lithuanian indigenous wattle pigs. The hybrids had lower concentrations of SFA (P<0.001), including C16:0 (P=0.081), C18:0 (P<0.001) and C20:0 (P=0.052) acids and higher concentration of C16:1 (P<0.05), lower concentration of C20:1 (P<0.01) and higher concentrations of PUFA (P<0.05). Also, there was a more favourable PUFA/SFA ratio (P<0.01) in the subcutaneous tissue of hybrids compared with purebred pigs. Gender had a higher effect on the fatty acid composition in the intramuscular fat and subcutaneous tissue from Lithuanian indigenous wattle pigs compared with the gender effect on the fatty acid composition in 1/4 WB genotype hybrids.
ACCESSION #
51360444

 

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