ISSN 2398-2977      

Semen: urosemen

pequis

Synonym(s): Urospermia, urine in the semen


Introduction

  • Urine in the semen.
  • Cause: not well understood.
  • Signs: no generalized signs.
  • Diagnosis: semen evaluation.
  • Treatment: diuretic medication
  • Prognosis: good.

Pathogenesis

Etiology

  • Not well understood.
  • The sphincter at the neck of the bladder which ought to close tightly during ejaculation fails to do so sufficiently, and so urine leaks down the urethra (the common pathway for semen and urine) and contaminates the ejaculate:

Predisposing factors

General

Timecourse

  • Some stallions contaminate every ejaculate with urine.
  • In other stallions the problem is intermittent.

Diagnosis

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Treatment

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Outcomes

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Loomis P R (2006) Advanced methods for handling and preparation of stallion semen. Vet Clin North Am Equine Pract 22 (3), 663-676 PubMed.
  • Griggers S, Paccamonti D L, Thompson R A & Eilts B E (2001) The effects of ph, osmolarity and urine contamination on equine spermatozoal motility. Theriogenology 56 (4), 613-622 PubMed.

Other sources of information

  • Turner R M O (2007) Urospermia and Hemospermia. In: Current Therapy in Equine Reproduction. Eds: Samper J, Pycock J F & McKinnon A O. pp 258-260.

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