ABCZ - Brazilian Association of Zebu Breeders, is the largest livestock organization in the world, with more than 22,000 members and 100 years of operation. It was created thanks to the courage of pioneers who brought, to Brazil, exemplary of the Indian cattle, that were rustic, adaptable to the tropical climate, thus forming Brazilian livestock.

The only delegate of MAPA - Ministry of Agriculture, Livestock and Supply, the entity aims to contribute to the increase of the world production of meat and milk, through the registration, improvement and promotion of zebu breeds.

It is responsible for the genealogical registry of the Brahman, Gyr, Dairy Gyr, Guzerat, Indubrasil, Nellore, Sindhi and Tabapua breeds, in addition to most of their crossbreeding. It also has the largest genetic improvement program of zebu in the world and constantly increases its performance, using cutting-edge technologies and assisting breeders from different countries in the process of genetic selection and improvement.

At an international level, ABCZ intensified its activities in 2003 with the creation of its International Relations department, which is responsible for the management and development of the Brazilian Cattle Project and for the creation of the global project, which provides services and technological support by ABCZ to various associations of zebu in the world.