Fetal dystocia in a crossbred jenny due to forelimb flexion and fetopelvic disproportion

P V B Silva1, J M Alonso2, M D S Almeida1

  • 1Veterinary Teaching Clinic Dr. Mário Alves Ribeiro, College of Veterinary Medicine, Federal University of Acre, Rodovia BR-364, km 04, Distrito Industrial, Rio Branco, AC, 69920-900, Brazil.

Dystocia in jennies is rare and requires prompt diagnosis and intervention to preserve maternal health. This report aimed to describe a case of fetal dystocia in a crossbred primiparous jenny presented after approximately seven hours in the second stage of parturition, highlighting the obstetric diagnosis, therapeutic approach, and clinical outcome. Obstetric examination revealed anterior presentation, right lateral position, bilateral carpal joint flexion, head deviation, fetal death and fetopelvic disproportion. Following sacrococcygeal epidural anesthesia, corrective obstetric maneuvers were attempted but were unsuccessful. Partial fetotomy of the thoracic limbs was performed, followed by cephalic repositioning using an obstetric hook, allowing vaginal fetal extraction. No additional birth canal injuries were observed. Despite the lack of specific fetotomy instruments, technical adaptations allowed successful completion of the procedure. The jenny showed satisfactory clinical recovery, remaining standing with spontaneous food and water intake. Postural correction associated with partial fetotomy effectively resolved dystocia while preserving maternal integrity.

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