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Open AccessArticle

Productive Performance, Milk Composition and Milk Fatty Acids of Goats Supplemented with Sunflower and Linseed Whole Seeds in Grass Silage-Based Diets

1
Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Grønnegardsvej 3, DK-1870 Frederiksberg C, Denmark
2
Universidad Autónoma del Estado de México, Facultad de Medicina Veterinaria y Zootecnia, Instituto Literario 100 Ote., 50000 Toluca, Estado de México, Mexico
3
Universidad Autónoma del Estado de México, Instituto en Ciencias Agropecuarias y Rurales, Instituto Literario 100 Ote., 50000 Toluca, Estado de México, Mexico
*
Authors to whom correspondence should be addressed.
Animals 2020, 10(7), 1143; https://doi.org/10.3390/ani10071143
Received: 20 May 2020 / Revised: 29 June 2020 / Accepted: 3 July 2020 / Published: 6 July 2020
Feeding is the most practical way to induce changes in the milk fatty acid profile of ruminants. The use of whole oilseeds is an available resource that farmers can use for improving animal´s performance and milk quality. Thus, the objective of this study was to determine productive performance, milk composition and milk fatty acids of goats supplemented with sunflower and linseed whole seeds in grass silage-based diets. Compared to the typical use of Megalac-R®, sunflower and linseed whole seeds did not affect nutrients digestibility and milk composition but reduced palmitic acid and increased oleic acid in milk. Overall, sunflower and linseed whole seeds resulted an effective strategy for altering the fatty acid composition of goat´s milk towards a healthier profile for humans without negative effects on animal performance.
The objective of this study was to determine productive performance, milk composition and milk fatty acids (FA) of goats supplemented with sunflower and linseed whole seeds in grass silage-based diets. Nine Alpine goats were grouped in a replicated 3 × 3 Latin square design (n = 3), that included three 21-d periods. Treatments were based on grass silage offered ad libitum and a concentrate mixture supplemented with either 40 g/d of Megalac-R® (control), 80 g/d of sunflower seed (SF), or 80 g/d of linseed (LS). Dry matter intake (1292 ± 14.0 g/d) and digestibility (g/kg) of dry matter (640 ± 32.1), organic matter (668 ± 32.4), neutral detergent fiber (628 ± 41.4) and acid detergent fiber (567 ± 60.9) was not affected by treatments (p > 0.05). Treatment did not affect milk fat yield (39.9 ± 1.24 g/d), protein content (4.5 ± 0.03 %) and protein yield (34.7 ± 1.22 g/d). Compared to control, SF and LS, decreased C16:0 (28.2 vs. 23.1 and 22.4 g/100 g), and increased total C18:1 (24.1 vs. 27.6 and 28.4 g/100 g) respectively. Overall, SF and LS resulted an effective strategy for altering the FA composition of goat´s milk towards a healthier profile for humans without deleterious effects on animal performance. View Full-Text
Keywords: dairy goats; fatty acids; human health; linseed; sunflower; milk fat dairy goats; fatty acids; human health; linseed; sunflower; milk fat
MDPI and ACS Style

Vargas-Bello-Pérez, E.; García Montes de Oca, C.A.; Pescador Salas, N.; Estrada Flores, J.G.; Romero Bernal, J.; Robles-Jimenez, L.E.; Gonzalez-Ronquillo, M. Productive Performance, Milk Composition and Milk Fatty Acids of Goats Supplemented with Sunflower and Linseed Whole Seeds in Grass Silage-Based Diets. Animals 2020, 10, 1143. https://doi.org/10.3390/ani10071143

AMA Style

Vargas-Bello-Pérez E, García Montes de Oca CA, Pescador Salas N, Estrada Flores JG, Romero Bernal J, Robles-Jimenez LE, Gonzalez-Ronquillo M. Productive Performance, Milk Composition and Milk Fatty Acids of Goats Supplemented with Sunflower and Linseed Whole Seeds in Grass Silage-Based Diets. Animals. 2020; 10(7):1143. https://doi.org/10.3390/ani10071143

Chicago/Turabian Style

Vargas-Bello-Pérez, Einar; García Montes de Oca, Carlos A.; Pescador Salas, Nazario; Estrada Flores, Julieta G.; Romero Bernal, José; Robles-Jimenez, Lizbeth E.; Gonzalez-Ronquillo, Manuel. 2020. "Productive Performance, Milk Composition and Milk Fatty Acids of Goats Supplemented with Sunflower and Linseed Whole Seeds in Grass Silage-Based Diets" Animals 10, no. 7: 1143. https://doi.org/10.3390/ani10071143

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