T3 and T4 changes study and its relation with Histopathology of thyroid glands in water buffalo in Ahvaz,IRAN

Authors

1 Ilam University, Faculty of Veterinary Medicine, Ilam, Iran

2 Department of Clinical Sciences, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran.

3 Department of Pathobiology, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran.

Abstract

Back grounds: Thyroid hormons have an important role in regulation of metabolism of protein and energy metabolism in animals , particularly in ruminents.
Objectives: In this study it was investigated the histopathology of thyroid glands and hormonal changes of T3 and T4 in water buffalo in Ahvaz, IRAN.
Methods: The thyroid gland tissues and blood samples were collected from 89 slaughtered buffaloes ( 66 females, 23 males). thyroid glands were selected and cut in to small pieces for standard histological processing, then the samples were stained with ( H & E) procedure and microscopically evaluated. Serum T3 and T4 concentration were measured by elisa methods. The data analyzed by the use of T- test.
Results: The results showed that) 31% (of thyroid glands have pathological lesions. The lesions respectively includes; focal hyperplasia ( 31.5 %), metaplasia ( 2.2 %), and chronic thyroiditis ( 1.1%). Also the results showed that) 30.3%( female and )52.2 %( male buffaloes have pathological lesions.We found that T4 concentration of normal buffaloes without thyroid gland lesions was significantly higher than the other buffaloes ( P= 0.02).
Conclusions: This study showed that there was a positive and significant correlation between T3,T4 concenterations in buffaloes with thyroid gland lesions ( r = 0.4 , P<0.05), while this correlation was weak between normal buffaloes ( r = 0.1, P>0.05).

Keywords

References

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Journal of Veterinary Research
Volume 72, Issue 4 - Serial Number 4
December 2017
Pages 419-424

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