At the end of the eighteenth century, the French government tried to impose a system of crossing Poitevin horses with lighter-weight Norman and Thoroughbred horses to create cavalry horses. Despite financial incentives, private breeders protested because they felt that the resulting crossbred horses created poor quality mules upon further breeding. The changes also affected the characteristics of the breed that had been developed for work in its marshy homeland, including large hooves and a calm manner. Some sources argue that at this point the breed was employed for agricultural and logging uses. Others state that they were not pulling horses, and were instead used almost solely for the production of mules.