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Paper Information

Journal:   SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL   WINTER 2008 , Volume 3 , Number 4 (17); Page(s) 112 To 116.
 
Paper: 

A CASE REPORT OF TESTICLE DEGENERATION IN BULL

 
 
Author(s):  MOSAFERI S., DOUSTAR Y., TAJIK P., VAJDI R.
 
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Abstract: 

Collected semen with a good quality and quantity is essential for a bull for selected semen collection and preservation. This survey was carried out on a Friesian Holstein bull, kept in Northwestern breeding center of Iran. Although the bull had normal libido, the semen produced was reported to be azoospermic. Clinical examinations proved no testicular abnormality but the scrotal circumference was measured 27 centimetres which is less than the normal size of this breed (at least 30 centimetres). In histopathological studies, there was a decrease in semeniferous tubule's epithelium (sertoli and gonadal cells), Beside intratubules focal calcifications, fonnation of new connective tissue and vascularization was observed. All of these signs demonstrate an extensive degeneration in both testes.

 
Keyword(s): BULL, TESTIS, DEGENERATION, INFERTALITY, FRIESIAN HOLESTEIN
 
References: 
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