NDLI: Enrichment of Ewe's Milk with Dietary n-3 Fatty Acids from Palm, Linseed and Algae Oils in Isoenergetic Rations

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Enrichment of Ewe's Milk with Dietary n-3 Fatty Acids from Palm, Linseed and Algae Oils in Isoenergetic Rations

Content Provider	MDPI
Author	Paz, Lavín Pilar, Gómez-Cortés Mantecón, Ángel Ruiz Manso, Teresa Gallardo, Beatriz Cejudo, Carmen de la Fuente, Miguel Ángel
Copyright Year	2022
Description	Increasing the levels of n-3 fatty acids (FA) in dairy products is an important goal in terms of enhancing the nutritional value of these foods for the consumer. The purpose of this research was to evaluate the effects of linseed and algae oil supplements in ovine isoenergetic diets on healthy milk fatty acid composition, mainly n-3. Seventy-two Churra dairy ewes were divided and randomly assigned to four experimental treatments for 6 weeks. The treatments consisted of a TMR (40:60 forage:concentrate ratio) that varied according to the inclusion of different types of fat (23 g/100 g TMR): hydrogenated palm oil (control), linseed oil (LO), calcium soap of linseed oil (CaS-LO) and marine algae oil (AO). The most effective lipid supplement to increase n-3 FA in milk was AO. 22:6 n-3 and total n-3 PUFA content increased from 0.02 and 0.60% (control) to 2.63 and 3.53% (AO), respectively. All diets supplemented with n-3 FA diminished the content of saturated FA in milk and its atherogenic index, while the levels of trans-11 18:1 and cis-9 trans-11 18:2 significantly increased. Overall, the enhancement of n-3 FA in ewe’s milk would be advantageous for the manufacture of nutritionally improved cheeses.
Starting Page	1716
e-ISSN	20762615
DOI	10.3390/ani12131716
Journal	Animals
Issue Number	13
Volume Number	12
Language	English
Publisher	MDPI
Publisher Date	2022-07-02
Access Restriction	Open
Subject Keyword	Animals Agriculture and Animal Production Dairy Fat Omega-3 Fatty Acids Sheep Milk Linseed Oil Calcium Salts Algae Oil
Content Type	Text
Resource Type	Article

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