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International Journal of Morphology

On-line version ISSN 0717-9502

Abstract

OYEYEMI, Matthew Olugbenga  and  OKEDIRAN, Babatunde Samuel. Testicular Parameters and Sperm Morphology of Chinchilla Rabbit Fed With Different Planes of Soymeal. Int. J. Morphol. [online]. 2007, vol.25, n.1, pp.139-144. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022007000100021.

The testicular parameters and sperm morphology were studied in twenty healthy Chinchilla breed bucks of rabbits fed with different planes of soybean meal. Their ages were between 6 to 10 months with their weights ranging from 1.4 to 1.9kg.The same quality of feeds was fed to each group throughout the study and at the rate of 0.5kg/head/day. The feeds contained graded percentage of soybean meal and growers mash. Semen used in this study was from the caudal epididymides while morphological aberrations were determined from a total count of 400 spermatozoa in smears obtained with Wells and Awa stain. Results of the spermiogram showed that the colour and consistency of the semen appreciated as the percentage of soybean meal increased. Group D with 90% soybean meal was significantly higher (P<0.05) over and above the values of other groups. Group D had a significant increase (P<0.05) over and above values of other groups in terms of percentage live spermatozoa. Semen concentration increased from 1.20 + 1.56 xl06/ml in group B with 30% soymeal to 2.00+2.67 xl06/ml in group D with 90% soymeal. Testicular parameters also showed that there was more weights increase as the percentage of soymeal in the feed increased. It is therefore concluded and recommended that soymeal can be part of normal diet of Chinchilla Rabbit without any adverse effect on the reproductive potential of the male rabbit

Keywords : Chinchilla Rabbit; Soymeal; Morphology; Testicular parameters; Spermatozoa.

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