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Effect of hemi-castration on testicular growth and seminal characteristics of Iraqi male goats

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Author(s): U. T. Naoman | M. B. Taha

Journal: Iraqi Journal of Veterinary Sciences
ISSN 1607-3894

Volume: 24;
Issue: 2;
Start page: 71;
Date: 2010;
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Keywords: Hemi-castration | Semen | Testes | Goat

ABSTRACT
The present study was conducted to investigate the effect of hemi-castration on testicular size and semen characteristics of Iraqi local bucks. Eighteen adult bucks aged 1.5-2.5 years, weighing 36.9-43.7 kg were used. Animals were randomly divided into three groups (6 in each); groups 1 control group. Animals in groups 2 and 3 were subjected to hemi-castration in left and right testicles, respectively. Testicular circumference was measured two weeks before hemi-castration and ten weeks after. Semen samples were collected using electro-ejaculator two weeks after hemi-castration. Volume, color, mass motility, individual motility, percentage of live sperm, percentage of abnormal sperm and sperm concentration were analyzed immediately after collection. Results of the present study showed a significant (P
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