The investigation of the 1000 genital tracts was conducted at slaughterhouse in the municipality of Santana and Macapá, State of Amapá and consisted of macroscopic and microscopic examinations of the ovaries, uterine tubes, uterus and cervix. The observations of each genitalia were documented with written records in detail, all changes diagnosed genitalia were classified as non-pregnant and pregnant female, with or without pathologies, respectively pathological fragments collected and fixed in 10% buffered formalin for histopathological examinations. Of the total investigated 661 (66.10%) genital system were pregnant and 339 (33.90%) were not pregnant. Genital tracts of the 1000/ 840 (84.00%) were normal, and of these, 575 (57.50%) were pregnant 265 (26.5%) were not pregnant. Among the 661 tracts genital were pregnant cow buffalo, 412 (62.3%) were in the right horn and 249 (37.7%) in the left horn. 160 genital tracts (16.0%) had pathology, while 86 (8.6%) were pregnant and 74 (7.4%) were not pregnant. Among the 160 (16.00%) diagnosed pathologies, the most prevalent were 114 (11.4%) in the fallopian tube, followed by 30 (3.0%) in the ovary and 16 (1.6%) in utero or cervix. The pathologies were most prevalent fallopian tube adhesions, ovarian dystrophy and endometritis.