Peer-reviewed veterinary case report
Yellow semen and ectopic ureters found in breeding dogs
By Günzel-Apel, Anne-Rose et al.·Published in Tierarztliche Praxis. Ausgabe K, Kleintiere/Heimtiere·2019·University of Veterinary Medicine Hannover., Germany·View original on PubMed →
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Original publication title: Urospermia indicating ectopic ureters in breeding dogs - 3 cases.
- Species:
- dog
Plain-English summary
A 57-month-old Entlebucher Mountain Dog, a 24-month-old Labrador Retriever, and a 31-month-old Irish Soft-Coated Wheaten Terrier were brought in for breeding evaluations. During semen collection, all three dogs had normal pre-ejaculate and sperm-rich samples, but the prostatic secretion was unusually yellow. The Entlebucher and Labrador showed poor sperm movement and a high number of abnormal sperm, while the Wheaten Terrier had a lower total sperm count. Ultrasound exams revealed issues with the ureters, indicating they had ectopic ureters, which can affect semen quality and fertility.
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Abstract
An Entlebucher Mountain Dog (57 months old, case 1), a Labrador Retriever (24 months, case 2) and an Irish Soft-Coated Wheaten Terrier (31 months old, case 3) were presented for breeding soundness evaluation to the clinic. During semen collection in all 3 dogs, the pre-secretion and the sperm-rich fraction showed normal consistency and colour, whereas the prostatic secretion (3 rd ejaculate fraction) appeared strikingly yellow. In cases 1 and 2, a severely decreased sperm motility (asthenozoospermia) and an increased amount of abnormal spermatozoa (teratozoospermia), and in case 3, a moderately decreased total sperm count (oligozoospermia) were detected. Sonographical examination revealed abnormal findings regarding the uretero-vesical junction and ectopic ureters. Therefore it is concluded that urine admixture to the 3 rd ejaculate fraction may indicate the presence of ectopic ureters and may cause impairment of semen quality and fertility. The present cases raise questions regarding urospermia concerning: 1. its incidence in dogs in general and in connection with ectopic ureters and 2. its relevance as a cause of deficient ejaculate quality and subfertility or infertility.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/31013529/