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Animal Products
Asian-Australasian Journal of Animal Sciences 1993;6(2): 187-190.
DOI: https://doi.org/10.5713/ajas.1993.187    Published online June 1, 1993.
Electron microscopic investigations on the sertoli cells of Philippine carabaos and their crossbreds
O. M. Nuneza, V. G. Morrongan, S. S. Capitan
Abstract
A study was conducted to compare and determine the incidence of ultrastructural alterations in the testes of Philippine carabaos and crossbred buffaloes. Thirteen Philippine carabao bulls and twenty five crossbred male buffaloes were used in this study. Testicular biopsy was used to get tissue samples which were prepared for histologic evaluation using the electron microscopy method. There was no significant difference in Sertoli cell alterations between Philippine carabaos and crossbred buffaloes. However, more crossbred buffaloes (40%) had both Sertoli cell and spermatogenic cell alterations which were significantly higher compared to the 7.7% occurrence in Philippine carabaos. Sertoli cells of crossbred buffaloes exhibited intracavitary structures and exaggerated infoldings of the nuclear envelope (36%), nuclear bleb (16%), and intracytoplasmic vacuolations (16%). Philippine carabaos exhibited few ultrastructural alterations which were mainly intracytoplasmic vacuolations in Sertoli cells (15%).
Keywords: Sertoli Cells; Crossbred Buffaloes; Ultrastructural Alterations; Testes
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