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Severe tail defects in the spermatozoa ejaculated by an English Bulldog

Rota, Ada and Manuali, Elisabetta and Caire, Simona and Appino, Simonetta (2008) Severe tail defects in the spermatozoa ejaculated by an English Bulldog. Journal of Veterinary Medical Science, Vol. 70 (1), p. 123-125. eISSN 1347-7439. Article.

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DOI: 10.1292/jvms.70.123


This paper describes the case of a 2-year-old English Bulldog with severe teratozoospermia that consisted mainly of "Dag-like" defects, which is strong coiling of the tail. Although libido, semen volume and sperm concentration were normal, sperm motility was 5.0%, and 93.3% of spermatozoa exhibited morphological abnormalities affecting the tail. Transmission electron microscopic examination of the spermatozoa revealed strong folding, coiling and fracture of sperm midpieces and tails, axonemal defects and the presence of swollen and unevenly distributed mitochondria. Taking into account the dog's history and examinations and the constantly high percentage of abnormal spermatozoa over time, the defect was considered to be genetic in origin.

Item Type:Article
ID Code:2799
Uncontrolled Keywords:Canine, sperm, tail defect
Subjects:Area 07 - Scienze agrarie e veterinarie > VET/03 Patologia generale e anatomia patologica veterinaria
Divisions:001 Università di Sassari > 01 Dipartimenti > Patologia e clinica veterinaria
Publisher:Japanese Society of Veterinary Science
Deposited On:21 Aug 2009 13:55

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