National and University Library, Ljubljana (NUK)
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Fatty acid composition of muscle in Krškopolje pigs and hybrids 12Žemva, Marjeta ...The aim of the study was to investigate the fatty acids composition of m. longissimus dorsi (LD) in Krškopolje pigs (KP) and maternal hybrids (H12; dam - Slovenian Landrace - line 11, sire - ... Slovenian Large White). A total of 48 fatteners, 24 of each genotype, were housed in eight pens with six animals in each. They were penned according to genotype and sex. Rearing and feeding conditions were the same for all animals. Pigs were slaughtered in two age groups (G1 and G2) with a two month difference. Twenty-four hours after slaughter, LD samples were taken behind the last rib. Intramuscular fat (IMF) content and fatty acid composition were determined. Statistical analysis was carried out using the GLM procedure in the statistical package SAS/STAT. With IMF content increased saturated fatty acids (SFA), C16:0, monounsaturated fatty acids (MUFA), C16:1n-6 and C18:1n-9 increased with greater IMF content while polyunsaturated fatty acids (PUFA), n-6 PUFA, C18:2n-6, C20:4n-6, n-3 PUFA, ratio PUFA/SFA, and n-6/n-3 decreased with IMF. Gilt's meat had lower n-6/n-3 ratio than barrow meat. In comparison with H12, KP contained more n-3 PUFA and C18:3n-3 and less C20:4n-6. Additionally, the n-6/n-3 ratio was more desirable in KP meat, indicating a better nutritional meat quality of KP than H12. Muscle of fatteners from the first age group (G1) contained more SFA and C16:0 than from the second age group (G2). Less C20:4n-6 and n-3 PUFA were found in G1 than in G2 which is not desirable from a nutritional point of view. Moreover, trends for better PUFA/SFA and n-3/n-6 were obtained in G1 in comparison with G2. Interaction between the genotype and the slaughter group showed the highest content of C18:3n-3 and the lower ratio n-3/n-6 in younger KP.Source: Livestock production as a technological and social challenge (Suppl. 3, 2012, str. 205-209)Type of material - conference contributionPublish date - 2012Language - englishCOBISS.SI-ID - 3113352
Author
Žemva, Marjeta |
Kovač, Milena, 1957- |
Urankar, Janja |
Levart, Alenka |
Malovrh, Špela, 1968-
Topics
pigs |
breeds |
Krškopolje breed |
hybrids |
muscles |
m. longissimus dorsi |
intramuscular fat |
fatty acid composition |
nutritional quality |
prašiči |
pasme |
prehrana |
maščoba
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Žemva, Marjeta | 27546 |
Kovač, Milena, 1957- | 09755 |
Urankar, Janja | 28181 |
Levart, Alenka | 15194 |
Malovrh, Špela, 1968- | 19045 |
Source: Personal bibliographies
and: SICRIS
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