Grape seed and linseed, alone and in combination, enhance unsaturated fatty acids in the milk of Sarda dairy sheep

Journal of Dairy Science
F CorredduA Nudda

Abstract

This study evaluated the effect of dietary inclusion of grape seed and linseed, alone or in combination, on sheep milk fatty acids (FA) profile using 24 Sarda dairy ewes allocated to 4 isoproductive groups. Groups were randomly assigned to 4 dietary treatments consisting of a control diet (CON), a diet including 300 g/d per animal of grape seed (GS), a diet including 220 g/d per animal of extruded linseed (LIN), and a diet including a mix of 300 g/d per animal of grape seed and 220 g/d per animal of extruded linseed (MIX). The study lasted 10 wk, with a 2-wk adaptation period and an 8-wk experimental period. Milk FA composition was analyzed in milk samples collected in the last 4 wk of the trial. The milk concentration of saturated fatty acids (SFA) decreased and that of unsaturated, monounsaturated, and polyunsaturated fatty acids (UFA, MUFA, and PUFA, respectively) increased in GS, LIN, and MIX groups compared with CON. The MIX group showed the lowest values of SFA and the highest of UFA, MUFA, and PUFA. Milk from ewes fed linseed (LIN and MIX) showed an enrichment of vaccenic acid (VA), oleic acid (OA), α-linolenic acid (LNA), and cis-9,trans-11 conjugated linoleic acid (CLA) compared with milk from the CON group. The GS gro...Continue Reading

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Citations

Jul 18, 2016·Journal of Dairy Science·A SantilloM Albenzio
May 1, 2016·Journal of the Science of Food and Agriculture·Mónica CostaRui Jb Bessa
Jul 3, 2019·Foods·Fabio CorredduGiorgio Pintore
Jan 18, 2020·Animals : an Open Access Journal From MDPI·Fabio CorredduGiuseppe Pulina
Jan 29, 2020·Journal of Animal Physiology and Animal Nutrition·Giovanna BuffaAnna Nudda
Apr 2, 2020·Animals : an Open Access Journal From MDPI·Ewa Pecka-KiełbAnna E Zielak-Steciwko
Jul 3, 2020·Animals : an Open Access Journal From MDPI·Gabriel Olvera-AguirreAlfonso Juventino Chay-Canul
Sep 5, 2019·Asian-Australasian Journal of Animal Sciences·Hua ZhangLinshu Jiang
Aug 1, 2020·Animals : an Open Access Journal From MDPI·Anna NuddaGiuseppe Pulina
Feb 1, 2021·Journal of Dairy Science·F CorredduN P P Macciotta
Jul 3, 2021·Animals : an Open Access Journal From MDPI·Sylvie HadrováSvetlana Malyugina
Aug 28, 2021·Antibiotics·Federica ScicutellaArianna Buccioni

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