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The purpose of this research was to characterise the echogenicity of the different structures within the scrotal bag in rams. Three studies that included 43 rams were conducted. Ultrasound sections (US) were made with the Mindray® equipment. It was found that pubertal males showed greater echogenicity (P<0.05) in testes and the pampiniform plexus, whereas prepubertal males (P<0.05) - in the epididymis and in the right pampiniform plexus. Rams in mating showed the highest echogenicity values (P<0.05). In non-mating animals, the highest values were found in the epididymis (P<0.05). Rams with injuries presented higher echogenicity in testes (P<0.05). In pampiniform plexuses, males without injuries demonstrated the highest values (P<0.05). A high and positive correlation (P<0.0001) was found between the evaluated variables, specifically the right cranial longitudinal (RCL), right proximal transverse (RPT), right medial transverse (RMT), right distal transverse (RDT) measures. Echotexture in rams was affected by age, presence of injuries and sexual activity. In addition, the high correlation suggests that the evaluation of testicular health in rams could be carried out only with several US. [ABSTRACT FROM AUTHOR]