Healthier Cows, Creamier Milk: How Stem Cells Could Revolutionize Dairy Farming

Jul 16, 2025

Modern dairy cows are milk-producing powerhouses some yielding more than 50 kg a day. But all that productivity comes at a price: their mammary glands often suffer from inflammation and cellular stress, which not only reduces milk quality but also affects the cows' well-being.

Now, researchers at the Hebrew University of Jerusalem have found a surprising solution in stem cells and in the powerful molecules they secrete. The new study shows that mesenchymal stem cells (MSCs) and their secretions can help protect mammary cells from stress while boosting milk . The findings, published in Stem Cell Research & Therapy, point to a future with more resilient cows and richer, healthier milk.

The study, led by research associate Dr. Roni Tadmor-Levi, MSc student Lior Sharabi and Prof. Nurit Argov-Argaman at the university's Robert H. Smith Faculty of Agriculture, Food and Environment, investigated how MSCs and their "secretome" the suite of signaling molecules they release affect bovine mammary .

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