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Morphological and morphometric adaptations of testes in broilers induced by glucocorticoid

Author

Listed:
  • R Islam

    (Department of Anatomy and Histology, Bangladesh Agricultural University, Mymensingh, Bangladesh)

  • N Sultana

    (Department of Anatomy and Histology, Bangladesh Agricultural University, Mymensingh, Bangladesh)

  • U Ayman

    (Department of Anatomy and Histology, Bangladesh Agricultural University, Mymensingh, Bangladesh)

  • A Akter

    (Department of Surgery and Obstetrics, Bangladesh Agricultural University, Mymensingh, Bangladesh)

  • M Afrose

    (Department of Livestock Science and Veterinary Medicine, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalgonj, Bangladesh)

  • Z Haque

    (Department of Anatomy and Histology, Bangladesh Agricultural University, Mymensingh, Bangladesh)

Abstract

Glucocorticoids (GCs) cause excess fat accumulation, which leads to fertility dysfunction in broilers. The study investigated alterations in the morphology and morphometry of the testes of broilers in response to GC and dexamethasone (DEX). Male day-old chicks were randomly divided into a control group and three experimental groups (E1, E2, and E3). The control group was fed a commercial broiler ration. The experimental groups were fed a commercial broiler ration containing GC (i.e. DEX 3, 5, and 7 mg/kg, respectively). The testes were collected and stained with haematoxylin and eosin to count the number of testicular seminiferous tubules. An increase in the seminiferous tubule count was initially seen, which declined as both the age of the broilers and the dose of DEX increased. Morphometric measurements, i.e., the testicular capsule thickness, seminiferous tubule diameter, and seminiferous epithelium height, were performed. The initial thickening of the testicular capsule was evident. There was a depletion of the interstitial (Leydig) cell population in the experimental groups with the age and increased with the dose advancement. The diameter of the seminiferous tubules and testicular capsule thickness remained upregulated in the treatment groups with the increased dose of DEX. The initial height of the seminiferous epithelium increased in the experimental groups of broilers. The study suggests that DEX greatly alters the morphological architecture of broiler testes; as a result, it could be said that DEX has the effect on the infertility of the broiler by affecting the morphology as well as the functionality of the testes.

Suggested Citation

  • R Islam & N Sultana & U Ayman & A Akter & M Afrose & Z Haque, 2021. "Morphological and morphometric adaptations of testes in broilers induced by glucocorticoid," Veterinární medicína, Czech Academy of Agricultural Sciences, vol. 66(12), pages 520-529.
    • Handle: RePEc:caa:jnlvet:v:66:y:2021:i:12:id:38-2021-vetmed
    DOI: 10.17221/38/2021-VETMED
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    References listed on IDEAS

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    1. Ismat Ara Begum & Mohammad Jahangir Alam & Jeroen Buysse & Aymen Frija & Guido Van Huylenbroeck, 2012. "Contract farmer and poultry farm efficiency in Bangladesh: a data envelopment analysis," Applied Economics, Taylor & Francis Journals, vol. 44(28), pages 3737-3747, October.
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