This study was initiated to help improve the quality of beef produced at the Port-Bouët slaughterhouse in order to protect the health of consumers and facilitate the implementation of prophylactic measures. This is a retrospective study carried out at the Port-Bouët slaughterhouse on data collected from July 2019 to June 2020 on the cattle received. The data was collected, from January to May 2021, from the digital database of the operating system called the Animal Management and Identification System in Port-Bouët (SYGIAP 3.1). The results indicate that the slaughterhouse is supplied with cattle by four (4) countries with proportions of 47.81% (Burkina Faso), 35.81% (Côte d'Ivoire), 16.23% (Mali) and 0, 15% (Niger). The proportion of cattle slaughtered at the slaughterhouse is 84% ​​and the reasons for seizure with an incidence of more than 10% are congestion (17%), distomatosis (35%) and tuberculosis (39%). For the organs seized, there are the lungs (40.25%) and the liver (55.69%) which have prevalences above 10%; the proportions of total seizures made are 33.33% (1 seizure), 33.33% (1 seizure) and 33.34% (1 seizure) for the following reasons abscess, congestion and tuberculosis respectively. The financial losses linked to these various seizures (partial and total) amount to 76,770,400 FCFA. The Port-Bouët slaughterhouse should feed back the information obtained during the inspections allowing the implementation of prophylactic measures from the origin of the animals in order to reduce the financial and health impacts of zoonoses.