EXPERIMENTAL STUDY OF SUMMER STRESS IN RABBIT IV THE QUANTITATIVE AND QUALITATIVE EFFECT OF L.H. INJECTION ON SPERMATOGENIC CELL CYCLE OF NORMAL AND STRESSED RABBIT

Document Type : Research article

Authors

Depts. of Pathology, Gynaecology and Physiology, Faculty of Vet. Med. Assiut University

Abstract

L.H. was injected in normal control rabbit group and group stressed experimentaly by elevated temperature, long photopariod and relative humidity. Qualitative and quantitative analysis using the Sertoli cell ratio revealed that the type B spermatogonia increas ed. The process of spermatocytogenesis was improved through activation of meiosis in normal conrol group and was corrected in the stressed group. Although L. H. positively influenced the process of spermiogene sis but it was disturbed qualitatively through fail ure of cytockinesis and rapid differentiation and in stressed group by incomplete maturation of type D spermatids.

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