2026-04-13T07:33:32Zhttps://recercat.cat/oai/requestoai:recercat.cat:20.500.12327/34052025-10-22T11:15:02Zcom_2072_4428com_2072_4427col_2072_487898
RECERCAT
author
Duran-Montgé, P.
author
Realini, Carolina
author
Barroeta, A. C.
author
Lizardo, Rosil
author
Esteve-Garcia, Enric
other
Producció Animal
other
Indústries Alimentàries
group
Nutrició Animal
group
Qualitat i Tecnologia Alimentària
2025-10-22T11:15:02Z
2025-10-22T11:15:02Z
2008-12-01
Duran-Montgé, P., C.E. Realini, A.C. Barroeta, R. Lizardo, and E. Esteve-Garcia. 2008. “Tissue Fatty Acid Composition of Pigs Fed Different Fat Sources.” Animal 2 (12): 1753-1762. doi: 10.1017/s1751731108003169
1751-7311
http://hdl.handle.net/20.500.12327/3405
https://doi.org/10.1017/S1751731108003169
Dietary fat influences the physico-chemical properties of meat, and fatty acid (FA) composition may have implications on
human health. The objectives of the experiment were to study tissue FA partitioning and the effect of dietary fat source on
tissue FA composition. Seventy crossbred gilts (61.8 6 5.2 kg BW average) were fed one of seven treatments: a diet containing
a very low level of fat (no fat (NF)) and six fat-supplemented diets (10%: tallow (T), high-oleic sunflower oil (HOSF), sunflower
oil (SFO), linseed oil (LO), fat blend (FB: 55% tallow, 35% SFO, 10% LO) and fish oil blend (FO: 40% fish oil, 60% LO).
Differential tissue FA depositions were observed, with flare fat being the most saturated, followed by intermuscular, and
subcutaneous being the least saturated. Monounsaturated fatty acid (MUFA) deposition showed an opposite tissue pattern.
Subcutaneous fat showed the highest MUFAs, intermuscular fat showed intermediate values and flare fat showed the lowest
MUFAs. Intramuscular polyunsaturated fatty acid (PUFA) content was less susceptible to dietary treatment modifications
compared with other depots. Significant tissue FA modifications were observed due to dietary treatments, mainly in diets rich in
PUFA. The saturated fatty acids (SFA) were high in NF-fed and low in HOSF-fed animals, MUFA were high in HOSF-fed and low
in SFO-, LO- and FO-fed animals, while PUFA were high in SFO- and LO-fed and low in HOSF-, T- and NF-fed animals. Pigs fed
LO and FB showed detectable levels of EPA, which depended on the linolenic content of the diet. The only effective way to
increase tissue DHA contents was to add DHA in the diet through FO feeding. Araquidonic acid was high in SFO diets and
low in LO and FB diets, and also high in intramuscular fat compared with other tissues. EPA and DHA were also high in
intramuscular fat compared with other fat depots. The deposition of oleic and linoleic acids depended on the composition of
dietary fat, as their deposition varied between diets, even at similar levels of intake of each FA. The NF diet resulted in the
greatest proportion of SFAs (palmitic and stearic) of all treatments tested. SFAs were less susceptible to modification than
MUFA in response to the different PUFA levels supplemented in the diet. T resulted in less fat deposition in some of the fat
depots and more in others, suggesting that T could partition fat differently among fat depots.
eng
Attribution-NonCommercial-NoDerivatives 4.0 International
Tissue fatty acid composition of pigs fed different fat sources
info:eu-repo/semantics/article