First Report of True Hermaphroditism in a Goat in Peru

Oyarce-Sanchez P.; Cueva-Rodríguez M.; Alvarado W.; Zambrano L.; Quilcate-Pairazamán C.; Portal-Torres J. · Pakistan Veterinary Journal (2026) · DOI: 10.29261/pakvetj/2026.078

Resumen

Sexual development disorders in animals are congenital disorders and have significant genetic and clinical implications. This study reports the case of a six-month-old hornless Creole goat with true hermaphroditism. The clinical examination revealed an ambiguous phenotype, with the presence of a vulva, prominent clitoromegaly (4.5cm in length), a scrotum, and two testicles in normal position. The necropsy confirmed the presence of the testicles along with a complete Müllerian tract (uterus and vagina). Male gonads measured 3.5 and 3.6cm in length for the right and the left, respectively. The right and left ovaries measured 1.6 and 2.5cm, respectively; they did not contain follicles or corpus luteum. Pyometra was present. Hematology revealed mild leukocytosis (17.41×10³/µL), supporting the presence of a localized chronic inflammatory condition. This case highlights the complexity of this reproductive developmental disorder. Blood testosterone level of 0.068ng/mL confirmed the endocrine functionality of the testes, while baseline progesterone levels (0.566ng/mL) ruled out the presence of cyclic ovarian tissue. It was concluded that the case was a true hermaphroditism.

Instituciones: Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas; Universidad Nacional de Cajamarca