Un vétérinaire basque du XVIIe siècle: Mongongo Dassança chimista

A manuscript in Basque from the 12th century is reproduced in this article. It contains veterinary prescrptions. Other related manuscripts, related with this topic or not, are studied, one of which is about animals, written by Antoine d´ Abbadie, the famous explorer, and another on plants by Weidmann