Researchers from the Hebrew University of Jerusalem and Israel’s Agriculture Research Organization have discovered that the fat globules in milk deliver beneficial pro-biotic bacteria and prevent the formation of harmful bacteria. The finding can lead to better infant milk and healthy milk products.
https://en.huji.ac.il/news/small-milk-fat-globules-promote-good-bacteria-study-reveals
https://www.sciencedirect.com/science/article/pii/S0963996924007506