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Effects of polyunsaturated fatty acids from plant oils and algae on milk fat yield and composition are associated with mammary lipogenic and SREBF1 gene expression.
TLDR
Examination of long-term supplementing diets with saturated or unprotected polyunsaturated fatty acids from two different plant oils rich in either n-3 or n-6 fatty acids plus docosahexaenoic acid (DHA)-rich algae on mammary gene expression and milk fat composition in lactating dairy cows found a positive relationship between mammary SCD1 and SREBF1 mRNA abundances was observed, suggesting a similar regulation for these genes. Expand
Calf’s sex, parity and the hour of harvest after calving affect colostrum quality of dairy cows grazing under high tropical conditions
TLDR
The calf’s sex was shown to have an effect on the amount of colostrum, on the concentration of fat, and on theamount of milk produced by lactating Holstein cows; all were higher in cows that gave birth to a female calf. Expand
Nutritional evaluation of fruit and vegetable waste as feedstuff for diets of lactating Holstein cows.
TLDR
Results showed that FV can be used as a dietary ingredient for high-yield lactating cows without detriment in the milk yield and with improvement in the Milk quality, the main impact of these results is the alternative generated for the improvement of the environment. Expand
Quantitative and nutritional characterization of fruit and vegetable waste from marketplace: a potential use as bovine feedstuff?
TLDR
FV represents a potential feedstuff for bovine feeding, and its recycling could avoid the discharge of a large amount of waste to landfills, which would minimize its environmental impact. Expand
Dietary fatty acid intervention of lactating cows simultaneously affects lipid profiles of meat and milk.
TLDR
It was demonstrated that dietary fatty acid manipulation substantially shifted the fatty acid profiles of milk and to a lesser extent of meat, whereas meat quality traits were not affected. Expand
Supplementation with bypass fat in silvopastoral systems diminishes the ratio of milk saturated/unsaturated fatty acids
TLDR
There was a significant decrease in the amount of saturated fatty acid in both experiments while the unsaturated fat increased significantly in experiment 1 and remained stable in experiment 2, thus improving the saturated/unsaturated ratio without a negative effect on total milk yield in fat or protein. Expand
Nutrient Management in Silvopastoral Systems for Economically and Environmentally Sustainable Cattle Production: A Case Study from Colombia
In recent years, livestock production has received negative publicity due to environmental degradation. Critics charge that the expansion of cattle production around the world has destroyed theExpand
Dietary anhydrous milk fat naturally enriched with conjugated linoleic acid and vaccenic acid modify cardiovascular risk biomarkers in spontaneously hypertensive rats
TLDR
The administration of AMF to SHR during 7 weeks exerted beneficial effects on cardiovascular risk biomarkers, and when sterculic oil was included, some parameters were further ameliorated (reduction of insulin, blood lipids, increase of adiponectin). Expand
How Selected Tissues of Lactating Holstein Cows Respond to Dietary Polyunsaturated Fatty Acid Supplementation
TLDR
Interestingly, gene/gene product associations were comparatively low in hepatic and omental adipose tissue compared with longissimus muscle, perirenal adipose and subcutaneous adipose tissues, indicating the significance of a PUFA intervention with regard to dairy cows’ nutritional management. Expand
Effect of different dietary fats on protein expression of sterol regulatory element-binding protein 1 (SREBP-1) in mammary gland tissue of lactating cows
TLDR
The assumption that the effects of plant oil/DHA rich algae supplementation on milk fat composition were mediated by shifted SREBP-1 protein expression were confirmed in regard to slightly reduced protein expression levels of pSRE BP-1 in SUNA group tissue samples. Expand
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