Text and picture: Dimitri Valckenier

Research Phd Theses

Impact of intramammary infections with non-aureus staphylococci on udder health and milk production in dairy heifers

Non-aureus staphylococci (NAS) have become the most prevalent cause of intramammary infections (IMI) in dairy cows in most parts of the world. The current body of literature on IMI caused by NAS has reported debatable and contradictory conclusions on their relevance for udder health and milk production. The aims of this thesis were to precisely estimate the impact of NAS IMI on somatic cell count (SCC) and milk yield (MY) at the quarter-level.

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