Grazing forage rape: Cost-benefit and dairy cow impact analysis

This document presents a cost-benefit analysis of integrating forage rape (Brassica napus ssp. Biennis) into dairy farming systems in France, highlighting low initial investment costs and significant environmental and economic benefits. Key advantages include reduced energy and input use, improved nitrogen cycling, soil regeneration, increased feed self-sufficiency, and enhanced animal welfare. The study, funded by the European Union, also examines the impacts of varying forage rape concentrations on milk yield, rumen fermentation, and blood metabolites in dairy cows. Findings suggest strong potential for agroecological transition and transferability across agroclimatic zones, with possible support through agroecological payment schemes.