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Nephrolithiasis in Iranian sheep

A Oryan1, M Razavi

  • 1Department of Pathobiology, School of Veterinary Medicine, Shiraz University, Shiraz, Iran.

Zentralblatt Fur Veterinarmedizin. Reihe A
|October 1, 1993
PubMed
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Kidney stones (lithiasis) were found in six Iranian sheep. The stones were mainly ammonium magnesium phosphates, calcium carbonates, and calcium phosphates, with some urate crystals present.

Area of Science:

  • Veterinary Medicine
  • Animal Pathology
  • Nephrology

Background:

  • Renal lithiasis, or kidney stones, can affect livestock, impacting animal health and productivity.
  • Understanding the composition of nephroliths is crucial for diagnosing and managing urinary tract diseases in sheep.

Purpose of the Study:

  • To investigate the prevalence and composition of kidney stones in Iranian sheep.
  • To identify the specific mineral components of nephroliths found in the examined flock.

Main Methods:

  • Necropsy and examination of 500 Iranian sheep.
  • Analysis of kidney samples to identify the presence of lithiasis.
  • Chemical analysis of nephroliths to determine their mineral composition.

Main Results:

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  • Six out of 500 sheep (1.2%) exhibited kidney lithiasis.
  • Nephroliths were primarily composed of ammonium magnesium phosphates (struvite) in three sheep.
  • The remaining three sheep had stones made of calcium carbonates and calcium phosphates.
  • Sodium and ammonium urate crystals were also detected in the kidneys of three animals.

Conclusions:

  • Renal lithiasis is present in Iranian sheep, with a prevalence of 1.2% in this study.
  • The composition of nephroliths in these sheep varies, including struvite, calcium-based minerals, and urates.
  • Further research is needed to understand the risk factors and implications of these findings for sheep health.