Method for improving fattening and new intrauterine device for its insertion

摘要

A method free of pharmaceutical products for improving fattening in mammals comprising the insertion of at least one device into one of each horns preferably of cows and heifers which alters the normal function existing between the uterine horns and the ovaries. The intrauterine device comprises a main elongated body (2), with its head (1) being located at its upper extreme and its lower extreme being formed by two or more arms (3) which are inverted "V" or "U" shaped, in case it comprises two arms the body being coiled by a metallic filament and the arms provided with a longitudinal slit.