International audienceThe importatiom of domestic animals during the late seventeenth and early eighteenth centuries in North America, and their subsequent adaptation to a new environment are important factors to consider when studying rural settlements established in New France along the Saint Lawrence river (Quebec, Canada). A zooarchaeological study of cattle bones dating from the French Re'gime (1600-1760) until the 1850s tends to support the idea that breeds of cattle and/or their geographical origins may be the main factor responsible for diachronic and synchronic morphological differences in North American cattle