Study Purpose: Researchers investigated baicalin, a natural antioxidant compound from Scutellaria baicalensis, as a potential treatment for oxidative stress in dairy cow mammary cells. Methods: Scientists collected mammary gland tissue from three lactating dairy cows and tested various concentrations of baicalin on the isolated mammary epithelial cells, both with and without oxidative stress conditions. Key Findings: Low doses of baicalin (1-10 µg/mL) had beneficial effects - reducing cell death and oxidative stress while maintaining cell health. Higher doses (100-200 µg/mL) were harmful, decreasing cell proliferation and increasing cell death. Baicalin consistently reduced harmful reactive oxygen species production and increased protective antioxidant enzymes. Conclusion: Baicalin shows promise as a natural antioxidant supplement for dairy cows when used at appropriate low doses, potentially helping prevent oxidative stress-related health issues that commonly affect high-producing dairy animals.