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* Size is an indication of fertility (larger testes indicate greater fertility).
 
* Size is an indication of fertility (larger testes indicate greater fertility).
 
* Enlarge during the breeding season.
 
* Enlarge during the breeding season.
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=== Semniferous Tubules ===
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* Outer diameter of the seminiferous tubules varies from 113 - 250 mm and gets significantly smaller during the non-breeding season.
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* The season does not however have any effect on the size of the spermatozoa although it does on their number.
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=== Epididymis ===
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As in other species the epididymis is composed of three distinct parts: the caput (head), the corpus (body) and cauda (tail).
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* Located along the dorsal border of the testis
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* Head curves around the cranial pole of the testis.
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=== Ductus Deferens ===
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* Very long measuring between 45 - 50 cm in length.
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* Enclosed within the spermatic cord
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