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Xanthine nephrolithiasis in a galician blond beef calf
Marta Miranda1, Lucas Rigueira, María L Suárez
1Department of Veterinary Clinical Sciences, University of Santiago de Compostela, Lugo, Spain. marta.miranda@usc.es
A rare case of xanthinuria, a condition causing xanthine kidney stones, was identified in a six-month-old Galician Blond beef calf. This finding is significant as it
Area of Science:
- Veterinary Medicine
- Animal Pathology
- Biochemistry
Background:
- Xanthinuria is a rare metabolic disorder characterized by the excretion of excessive xanthine in urine.
- In cattle, xanthinuria has been previously documented exclusively in the Japanese Black breed.
- Nephrolithiasis, or kidney stones, can lead to renal failure and significant health issues in livestock.
Observation:
- A six-month-old Galician Blond beef calf exhibited clinical signs including apathy, anorexia, and weight loss.
- Blood sample analysis confirmed the presence of renal failure.
- Necropsy revealed bilateral nephrolithiasis.
Findings:
- Quantitative analysis of the nephroliths demonstrated they were composed of 100% xanthine.
- This finding represents the first documented case of xanthinuria in the Galician Blond beef breed.
- The clinical history supported a diagnosis of naturally occurring xanthinuria.
Implications:
- This case expands the known breed susceptibility for xanthinuria in cattle.
- It highlights the importance of considering xanthinuria in differential diagnoses for renal failure and nephrolithiasis in cattle, regardless of breed.
- Further research into the genetic and metabolic basis of xanthinuria in diverse cattle breeds may be warranted.
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