To determine the presence of Dermanyssus gallinae in poultry in Las Guabas, community of Ocú, where a number of birds were examined, establishing the presence of this ectoparasite that causes greater problems in the health and welfare of the hens, as well as the economic impact that it produces in the poultry farming of the whole world. Where its anatomical parts were observed under the microscope. Their control has often been based on the use of chemical acaricides, but few are used.