The objective of this study was to evaluate the pasture performance of different cultivars of perennial ryegrass. two “high sugar” and two standard cultivars. under two contrasting agronomic managements (aimed at either decreasing or increasing water soluble carbohydrates concentration). and their effects on the grazing preference of dairy cows. https://lecoureures.shop/product-category/course-a-pied-enfant-chaussures-stabilite/