Asian-Australasian Journal of Animal Sciences

Asian Australasian Association of Animal Production Societies (아세아태평양축산학회)
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ELECTRON MICROSCOPIC INVESTIGATIONS ON THE SERTOLI CELLS OF PHILIPPINE CARABAOS AND THEIR CROSSBREDS

  • Nuneza, O.M. (Institute of Animal Science, University of the Philippines at Los Banos) ;
  • Momongan, V.G. (Institute of Animal Science, University of the Philippines at Los Banos) ;
  • Capitan, S.S. (Institute of Animal Science, University of the Philippines at Los Banos)
  • Received : 1992.07.08
  • Accepted : 1992.11.30
  • Published : 1993.06.01
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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%).

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