A new peer-review paper assesses the interest of Nor-Grape® BP-O in dairy cows The research shows that supplemented cows had better milk production with equivalent milk quality30 July 2025 30 July 2025 2 minute read 2 minute read By: By: Laurence WilliamsNor-Feed is pleased to announce the publication of a new peer-reviewed study in the Journal of Dairy Science, highlighting the positive effects on dairy cows of Nor-Grape® BP-O , which selected and rumino-protected grape polyphenols potentiate antioxidant defenses. The research shows that supplemented cows had better milk production with equivalent milk quality while ensuring their comfort under heat stress. Nor-Grape® BP-O is 100% natural and is standardized in polyphenols extracted from grape. Grape polyphenols from Nor-Grape® BP-O potentiate the animal’s antioxidant defences. Nor-Grape® BP-O is based on a specific by-pass formulation.