The aim of this study was to investigate the effects of feeding no synthetic vitamins to dairy cows, fed a 100% organic diet, on the organoleptic quality and fatty acid composition of the milk. A 12-month study was performed at Tingvall Organic Dairy Research Farm. Individual milk samples for organoleptic analysis were collected at six occasions from 50 cows, equally allocated into two
... [Show full abstract] treatments, one with vitamin supplementation and one without. Monthly composited milk samples from each treatment were collected for analysis of organoleptic quality and fatty acid composition. The results indicate that supplementation of synthetic vitamins according to Swedish recommendations do not generally affect organoleptic quality and fatty acid composition of the milk.