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Interpretive Summary: Herd and animal factors affect the variability of total and differential somatic cell count in bovine milk

By: Giorgia Stocco, Claudio Cipolat-Gotet, Bruno Stefanon, Alfonso Zecconi, Maurizio Francescutti, Maria Mountricha, Andrea Summer

This study investigated factors affecting the variability of somatic cell traits in bovine milk. Animal had greater influence on somatic cell score (SCS) and differential somatic cell count (DSCC) compared to herd factors. Herds producing high average of daily milk energy were characterized by lower SCS and DSCC compared to the low average daily milk energy herds. The SCS and DSCC were higher in Holstein-Friesian than in Simmental, and during summer with respect to the other seasons. Older cows at the end of lactation showed the highest content of somatic cell traits. These results are helpful for the management of somatic cell traits at herd and animal levels.

Read the full article in the Journal of Animal Science.