Histopathological changes in the testes, epididimis and accessory sex glands of pubertal brown swiss male bulls zeranol implanted
This study was carried out to determine the effects of zeranal implantation that had been used as an anabolic agent on the reproductive tract in the Brown Swiss male bulls.<p> Twenty three Brown Swiss bulls, 6-9 months old, were used in this study. These bulls were divided into three groups; C...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Selcuk University Press
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| Series: | Eurasian Journal of Veterinary Sciences |
| Online Access: | http://eurasianjvetsci.org/pdf.php3?id=722 |
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| Summary: | This study was carried out to determine
the effects of zeranal implantation that had been used as an
anabolic agent on the reproductive tract in the Brown Swiss
male bulls.<p>
Twenty three Brown Swiss bulls, 6-9 months old,
were used in this study. These bulls were divided into three
groups; Control, Group I and Group II. 36 mg zeranal was
implanted subcutaneously .at the base of ear of bulls in Group
I and Group II at the beginning of the experiment and the
same dose was reimplanted to Group II 65 days after the first
implantation.<p>
Implantation of zeranal to the bulls induced histopathological
changes on the reproductive tract, which included;
reduction in the diameter of seminiferous tubules and delayed
sperınatogenezis in the testes, inercaseel interductal conncctive
tissue and muscular layer of the d. epididimis in the epididimites,
augmented interalveoler connective tissue and reducecl alveoler
development in the prostate, vesicular glands and bulbouretlrral
glands.<p>
It may be concluded that the implantation of zeranal
would cause incufficiency at sexual breed function in bulls
after 6 months of age. |
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| ISSN: | 1309-6958 2146-1953 |