Composición química y perfil de ácidos grasos en la leche orgánica de vacas lecheras alimentadas con microalgas (Schizochytrium limacinum)

Autores/as

DOI:

https://doi.org/10.33448/rsd-v10i10.18821

Palabras clave:

Ácidos grasos polinsaturados; Enriquecimiento de la leche; Nutracéutico; Suplementación lipídica.

Resumen

Nuestro objetivo fue determinar si la suplementación con microalgas (Schizochytrium limacinum) afecta la producción diaria, la composición y el perfil de ácidos grasos de la leche orgánica. Ocho vacas lactantes se mantuvieron en pastoreo y se dividieron en dos grupos: las alimentadas con mazorca de maíz como suplemento dos veces al día durante el ordeño (CTL) y las alimentadas con mazorca de maíz mezclada con 100 g de microalgas (ALG) por vaca al día. Las microalgas no afectaron la producción y composición diaria de la leche, pero se observó una tendencia a la reducción de la grasa de la leche. El nivel de ácido esteárico en la leche de las vacas alimentadas con ALG se redujo significativamente 2,46 veces, mientras que los niveles de ácido elaídico y ácido linoleico conjugado se elevaron significativamente 3,3 y 1,8 veces, respectivamente. Se observó una relación PUFA: MUFA significativamente mayor en el tratamiento con ALG, mientras que la relación MUFA: ácidos grasos saturados mostró una tendencia a aumentar (P = 0,073). Las microalgas ricas en ácidos grasos omega-3 enriquecen con éxito la leche orgánica sin afectar negativamente la productividad o composición. Los consumidores podrían verse atraídos por aumentar la ingesta de grasas polinsaturadas omega 3 de la leche orgánica. Estos resultados podrían respaldar la decisión de nutricionistas y agricultores de alimentar con microalgas al ganado lechero, ya que es económicamente viable.

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Publicado

10/08/2021

Cómo citar

CARNEIRO, N.; ZACARON, . W.; ROSSATO, G.; SOLIVO , G. .; FALK, R. B. .; WAGNER, R.; SILVA, A. S. da .; ZOTTI, . C. A. Composición química y perfil de ácidos grasos en la leche orgánica de vacas lecheras alimentadas con microalgas (Schizochytrium limacinum). Research, Society and Development, [S. l.], v. 10, n. 10, p. e277101018821, 2021. DOI: 10.33448/rsd-v10i10.18821. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/18821. Acesso em: 30 jun. 2024.

Número

Sección

Ciencias Agrarias y Biológicas