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Updated: Aug 9, 2026

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Kidney Procurement in a Preclinical Large Animal Model
Published on: May 2, 2025
Bilateral renal agenesis in an alpaca cria
Keith P Poulsen1, Mathew P Gerard, Kathy A Spaulding
1Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, 4700 Hillsborough Street, Raleigh, North Carolina 27606, USA. poulsenk@vetmed.wisc.edu
Abstract:
A 3-day-old male alpaca cria was presented for lack of vigor and failure to urinate since birth. Based on the history, laboratory data, ultrasonographs, surgical findings, and postmortem examination, the cria was diagnosed with bilateral renal agenesis and hypoplastic bladder, a congenital condition rarely seen in veterinary medicine.
