The article presents the results of studies on the infection of cattle with dicroceliasis, depending on the age group and seasons of the year, conducted in livestock farms of Bilasuvar, Gabala, Guba and Goranboy regions As a result of the research, it was found out that the average degree of infection of animals with dicroceliasis in private livestock farms in the Bilasuvar region is 40.4% in spring, 14.8% in summer, 38.2% in autumn, 11.5% in winter;Gabala - in spring - 31.6%, in summer - 9.3%, in autumn - 27.3%, in winter - 5.8%;Gubinsky - in spring - 35.1%, in summer - 13.0%, in autumn - 29.1%, in winter - 9.6%;Goranboy - in spring - 26.3%, in summer - 5.6%, in autumn - 21.8%, in winter - 3.8%.As a result of scatological studies, a high prevalence of invasion (EI) is noted in the spring and autumn seasons of the year. With incomplete helminthological dissection of the liver of animals in the farms of Bilyasuvar region, the intensity of invasion is 22–54 specimens, Gabala 14–33 specimens, Guba 18–46 specimens,and Goranboysky 11–29 specimens.