Effect of feeding regimen on the fatty acid profile of sheep bulk tank milk

[EN]The quality of dairy products is affected by the fatty acid (FA) profile of the milk. The aim of this study was to determine whether the feeding regimen and lactation stage of the sheep produced a healthier FA profile of milk. The study was carried out on 30 commercial farms, and the feeding reg...

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Detalles Bibliográficos
Autores: Renes Bañuelos, Erica, Fuente Crespo, Luis Fernando de la, Fernández García, Domingo, Tornadijo Rodríguez, María Eugenia, Fresno Baro, José María
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2018
País:España
Institución:Universidad de León
Repositorio:BULERIA. Repositorio Institucional de la Universidad de León
OAI Identifier:oai:dnet:buleria_____::fc9e3a1181045aa6bdbe35f26102aa56
Acceso en línea:https://hdl.handle.net/10612/28391
Access Level:acceso abierto
Palabra clave:Tecnología de los alimentos
Dairy biochemistry
Fatty acids
Functional properties
Raw milk
3104.06 Nutrición
3104 Producción Animal
3309 Tecnología de Los Alimentos
Descripción
Sumario:[EN]The quality of dairy products is affected by the fatty acid (FA) profile of the milk. The aim of this study was to determine whether the feeding regimen and lactation stage of the sheep produced a healthier FA profile of milk. The study was carried out on 30 commercial farms, and the feeding regimens studied were different grazing allowances (50%, G1; 25%, G2; 0%, G3). The variance explained by the lactation stage for the FAs was below 4.18%. The milk from the grazing allowance G1 (50% grazing time per day plus alfalfa silage and barley grains) showed a higher conjugated linoleic acid (1.16%) proportion, followed by the grazing allowances G2 (0.90%) and G3 (0.79%), which showed that grazing improved the nutritional quality of milk fat.