There is no consensus among researchers on the normal descending time of testicles in dogs; some researchers have reported the time as the first week after the birth, while some have reported that this time can exceed 5 weeks (Baumanns et al., 1981; Romagnoli, 1991). The aim of this study is to evaluate whether or not the testicular descending time depends on breeds, and in the case of an early diagnosis, the employability of GnRH hormone in the treatment of non-descended testicles in canines
