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The ovine cervix is irregularly shaped, making it a\udchallenge to pass through it during artificial insemination.\udThus, the aim of this study was to describe the\udmorphological characteristics of the cervix of Santa Ines\udbreed, comparing the phases of the estrous cycle. A total\udof 112 uteri were collected from non-pregnant ewes and\udsilicone was injected into the lumen of the cervix in order\udto obtain a cast of the cervical canal. Mean length of the\udcervix was 41.33 ± 16.38 mm and the most frequent\udcervical ostium type found was the duck-beak (46%). Two\udrings were the minimum and seven were the maximum\udfound in the cervix, with means of 4.70 ± 1.05 rings.\udMorphometric data from each cervical ring indicates that\udthe inner circumference tapers in the middle portion and\udthen becomes to enlarge again. No significant difference\ud(p> 0.05) was found when comparing the luteal and\udfollicular phases, or the types of cervix regarding to the\udvalues of the diameter of the folds, height, inside\udcircumference, midpoint between the folds and distance\udfrom the opening to the folds. Under the studied conditions, we concluded that the development of semen\udapplicator should take into account the morphometric\udlimits found, although the morphology and morphometry\udof the ovine cervix is quite varied, with no standard\udpatterns for the species, even when comparing the luteal\udand follicular phases

Morfologia da cérvice de ovelhas Santa Inês adultas nas fases luteínica e folicular