The supervised curricular internship (ESO) is a mandatory step for obtaining a bachelor's degree in Veterinary Medicine, with a total workload of 420 hours. The same was carried out in the field, following the appointments of the Veterinary Doctor Msc. Francisco da Silva Alves Pinheiro, in the Metropolitan, Zona da Mata and Agreste region of the State of Pernambuco, where clinical and surgical procedures, nutritional management, blood collection for laboratory tests, weighing and vaccination of the animals of the herd, examinations were followed. ultrasound and reproductive management of cattle. Most of the internship hour load was aimed at monitoring the protocol steps and performing fixed-time artificial insemination (FTAI) in females, as well as inducing puberty in heifers and pregnancy diagnoses. In the second chapter of this report, there is a literature review, with the aim of describing some concepts related to the reproductive physiology of cows, breeding season, hormonal protocol for FTAI, most used in Brazil, resynchronization, and the impacts of FTAI on beef cattle.
