NDLI: Efecto de la alimentación de diferentes fuentes de forrajes en el hato vacuno sobre el perfil de ácidos grasos de la leche entera cruda de Zamorano

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Efecto de la alimentación de diferentes fuentes de forrajes en el hato vacuno sobre el perfil de ácidos grasos de la leche entera cruda de Zamorano

Content Provider	Semantic Scholar
Author	Marzano, Bernardo Luis, Alec
Copyright Year	2013
Abstract	The fatty acid profile of milk is the most complex of all. Milk may contain functional fatty acids like omega 3, omega 6 and mainly CLA (conjugated linoleic acid). The objective of this study was to determine the change in fatty acid profile of whole raw milk Zamorano through the feeding supplied to the cows in summer seasons (concentrate) and winter (grass) and milking time. It was as identified and quantified fatty acids through gas chromatography and total fat. It was used a split-plot design with repeated measures on time, being the main plots seasons (summer and winter), and subplots turn milking (morning and afternoon) with separation of means (LSMEANS and TUKEY).The percentage of total fat was higher in the afternoon (4.31%) than in the morning (3.41% ). The saturated fat content was higher in the summer (73.58%) than winter (66.31%). Monounsaturated fat content significantly increased in summer (20.29%) than winter (26.37%). The content of polyunsaturated fatty acids significantly increased summer (1.83%) to winter (1.94%). Trans fats were significantly higher in winter (5.37%) than summer (4.28%). The content of CLA and omega 3 were significantly higher in winter than summer, there was no difference in the content of omega 6. In conclusion the grass intake significantly increased the percentage of monounsaturated fat, polyunsaturated , trans CLA and omega-3, in the other hand the comsumption of hay and silage increased of saturated fat content.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://bdigital.zamorano.edu/bitstream/11036/1806/1/AGI-2013-T024.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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