Comparison of bovine milk oligosaccharides in native North European cattle breeds

Anne Vuholm Sunds*, Apichaya Bunyatratchata, Randall Robinson, Maria Glantz, Marie Paulsson, Daiva Leskauskaite, Anne Pihlanto, Ragnhils Inglingstad, Tove G. Devold, Gerd E. Vegarud, Bryndis Eva Birgisdottir, Maria Gudjonsdottir, Daniela Barile, Lotte Bach Larsen, Nina Aagaard Poulsen

*Corresponding author for this work

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Milk oligosaccharides are of high interest due to their bioactive properties. This study is the first to characterise milk oligosaccharides from native North European cattle breeds, as represented by 80 milk samples collected from eight native breeds originated from Norway (Norwegian Doela cattle and Norwegian Telemark cattle), Sweden (Swedish Mountain cattle), Denmark (Danish Red anno 1970), Iceland (Icelandic cattle), Lithuania (native Lithuanian Black and White) and Finland (Western Finncattle and Eastern Finncattle). Using high-performance liquid-chromatography chip/quadrupole time-of-flight mass-spectrometry, 18 unique monosaccharide compositions and a multitude of isomers were identified. No N-glycolylneuraminic acid was identified among these breeds. Western Finncattle milk was most abundant in neutral, acidic and fucosylated oligosaccharides. Further, Eastern Finncattle milk was significantly higher in acidic oligosaccharides and Icelandic cattle milk significantly higher in fucosylated oligosaccharides, compared to the mean. This study highlights specific native breeds of particular interest for future exploitation of milk oligosaccharides and breeding strategies.
Original languageEnglish
Article number104917
JournalInternational Dairy Journal
Number of pages11
Publication statusPublished - Mar 2021

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