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Sequential Age Dependent Gross Morphological Changes in the Spleen and Harderian Gland of Turkeys

Author: S. Jayachitra and S. Sivagnanam

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Abstract

The study on sequential age dependent changes of spleen and harderian gland in broad breasted bronze turkeys was aimed to understand the immunological role of these secondary lymphoid organs in this species according to age. To explore the age related changes in its gross morphology, the samples were taken from day old to ten months of age at monthly intervals. There were no changes noticed in the shape and morphological features of both organs which maintained its elliptical shape and human foot print shape respectively throughout the study. The variation was existed only in its morphometric parameters such as weight, length and width. The weight of both organs showed steady increase till six months of age and thereafter it was slowly reduced. The length and width of the spleen were also steadily increased along with splenic weight and showed decline phase after six months of age. There was no significant difference in the weight observed between left and right Harderian gland. The length and width of the harderian gland also showed decreasing trend along with weight as age advanced.

Keywords

Age dependent changes, Spleen, Harderian gland, Broad Breasted Bronze turkey

Conclusion

This study on post hatch age dependent morphological evaluation of spleen and harderian gland of turkey revealed that the correlation exist between the growth of these organs and sexual maturity of turkeys. Upon sexual maturity, they showed decline phase on its morphological parameters in both the sexes. It might be due to influence of sexual hormones and regression of primary immune organs which play a role in populating the lymphocytes to secondary lymphoid tissues.

References

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How to cite this article

S. Jayachitra and S. Sivagnanam (2023). Sequential Age Dependent Gross Morphological Changes in the Spleen and Harderian Gland of Turkeys. Biological Forum – An International Journal, 15(5): 1435-1438.