Rosemary extract and use in animal feed

Rosemary extract and its use in animal feed. # The present invention relates to a plant extract from rosemary leaf comprising carnosic acid diterpenes and carnosol with a concentration ratio (carnosic acid) / (carnosol) between 0.7 and 1.2. Also it refers to the use of said extract in the manufacture of a feed for animal feed and the feed supplemented with the extract. Finally, the method of obtaining the plant extract of the invention is contemplated.