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6965364 
Journal Article 
The genetic determinism and the feeding influence on the Oryctolagus Cuniculus Domesticus male genital system 
Simeanu, D; Creanga, S; Pop, IM; Galca, V; Simeanu, C; , 
2016 
1 
Research Journal of Biotechnology
ISSN: 0973-6263 
RESEARCH JOURNAL BIOTECHNOLOGY 
INDORE 
88-92 
WOS:000387183600009 
The purpose of our study was to evaluate the effect of feeding on the male gonads development and functionality. Our research was carried using four animal batches (a control group - CGand three experimental ones - EG), each one of five males belonging to the commercial hybrid "Cunirom-PF-310". All of the subjects were bred from the weaning age up to the age of 120 days when they reach a medium weight of 2800 grams. The feed administrated to the investigated rabbits was represented by complete mixed fodders including more types of ingredients providing 2500-3000 Kcal energetic content /kg dry matter, 183-188 g gross protein /kg dry matter and a different content of gross fibre. All of the males were slaughtered at the age of sexual maturity (120 days) and the testicles (including epididymis) were harvested in order to make histological slides.For the males which were fed with 12% or 16% gross fibres content in mixed fodder, the testicles and the related epididymis were normally developed with many seminiferous tubules; the seminal epithelium have characteristic cellular elements of seminal line such as spermatogonia, spermatocyte I and II and spermatids. There were also observed many Sertoli cells with large, fringe and granulated nuclei, numerous mitoses indicating a very active spermatogenesis process in these animals. The statistical interpretation of the data related to the structure of the testes showed insignificant differences. The feeding of the rabbit males with this kind of mixed fodder did not negatively influence the male gonadal development and function and the installation time of the puberty status.For the males which were fed with a mixed fodder containing 20% or 24% gross fibre, there were found large differences in negative terms for testicles and epididymis development and functionality and in regard to the installation of puberty status; the statistical interpretation of the data related to the structure of the testes showed with few exceptions significant differences; therefore, it is possible to conclude that the feeding with a mixed fodder containing 20% or 24%, gross fibre had a negative influence on the male gonadal development and function and the installation time of the puberty status.