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Series of Lectures – HEUMILCH: Chemical markers in milk for the detection of silage addition in feed of dairy cows

Ort: online (MS Teams)

Abstract: Hay milk and its products are gaining importance in the market as they meet the consumers demand for traditional products. In hay milk regulation, fermented fodder is prohibited in the cows diet. Cyclopropane fatty acids (CPFA) are fatty acids produced by microorganisms in the fermentation of silage which were reported to be suitable markers to distinguish Parmigiano Reggiano from cheeses obtained feeding silage. The Heumilch project aims at optimizing an analytical method for milk to define the presence of silage in the ration. Previous studies considered maize silage and a novelty from the present work is including grass silage, often used in South Tyrol. Moreover, no literature data are available on the time required for CPFA to disappear or to be detected after silage removal or introduction. In this seminar the results of the Heumilch project are presented. Speaker: Federico Fava & Demian Martini-Lösch (Laimburg Research Centre)