Fatty acid profile of milk from sheep raised on mountain pastures

Abstract

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The fatty acid composition of sheep's milk of an autochthonous breed

“…The content of C16:0 in analyzed samples of milk from the Livno area was opposite to the samples from the Travnik area. The content of C16:0 in milk samples from the Livno area was higher in the I sampling period but without statistically significant difference compared to the II period (August), which is consistent with the results of the research (Mihaylova et al, 2005) who point out that the content of C16:0 and C18:0 was the highest in sheep's milk in July. The content of C16:0 in analyzed milk samples from the Travnik area grew by sampling periods and a statistically significant value in comparison to the previous two sampling was recorded in September Table 2.…”

Analysis of fatty acid profile in milk fat of Wallachian sheep during lactation

“…MUFA and PUFA concentrations decreasing across lactation has been reported by Mihaylova et al . (2005) and our data agree with this, in contrast to the increase reported by Meľuchová et al . (2008) or lack of consistent variation reported by Salari et al .…”

“…We observed higher PUFA and MUFA percentage than earlier reports for sheep milk (Markiewicz-Kęszycka et al, 2013; Aguilar et al, 2014, both unspecified breed), sheep milk of Improved Wallachian, Tsigai, Lacaune sheep, and their crossbreds kept under different feeding regimes (Ostrovský et al, 2009) or sheep milk from Spanish genetic resources (Signorelli et al, 2008). MUFA and PUFA concentrations decreasing across lactation has been reported by Mihaylova et al (2005) and our data agree with this, in contrast to the increase reported by Meľuchová et al (2008) or lack of consistent variation reported by Salari et al (2018) for Assaf ewes.…”

“…Other authors reported similar (Carta et al ., 2008) or higher content of SFAs in sheep milk (Markiewicz-Kęszycka et al ., 2013; Aguilar et al ., 2014). The SFA percentage increased as lactation progressed, which agrees with data for Assaf sheep (Mihaylova et al ., 2005; Salari et al ., 2018). By contrast, gradually decreasing SFA content related to month of collection was reported for improved Wallachian, Tsigai, Lacaune, and their crossbreds (Meľuchová et al ., 2008).…”

“…Our CLA levels were also higher than Sarda sheep (Buccioni et al ., 2015) or than sheep and goats naturally grazed in mountainous highlands of Greece (Talpur et al ., 2009). Still higher levels have been reported for crossbred Tsigai ewes reared in Rodopi Mountains (Mihaylova et al ., 2005) and the phylogenetically related Turcana breed (Mierlita et al ., 2011).…”