Radiological and Histoanatomical Study of the Respiratory System of Adult Chukar Partridge (Alectoris chukar)

Subject Areas : Journal of Animal Biology

Sima Sahandabadi ¹ (Department of Veterinary, Urmia Branch, Islamic Azad University, Urmia, Iran)
Siamak Alizadeh ² (Department of Veterinary, Naghadeh Branch, Islamic Azad University, Naghadeh, Iran)
Mehdi Rezaei ³ (Department of Veterinary, Urmia Branch, Islamic Azad University, Urmia, Iran)

Received: 2024-02-08 Accepted : 2024-06-10 Published : 2024-08-06

Keywords: Chukar partridge (Alectoris chukar), Radiology, Histoanatomy, Respiratory system,

Abstract :

This study aimed to evaluate the radiological and histoanatomical structure of the respiratory system of adult chukar partridge (Alectoris chukar). In this study, 8 Chukar partridges (4 males and 4 females) with an average weight of 550 grams were used. For radiological studies radiographs with left and right lateral, dorsal-ventral, and ventral-dorsal views were prepared from the quails under study. Then the lungs and trachea were examined anatomically and topographically. Following anatomical studies, histological studies were performed. Based on the results of this study, in the abdominal-dorsal, the left and right lungs were visible on the sides of the vertebral column. In the lateral view, the lungs were located in the dorsal position and the anterior part of the coelomic cavity and were better visible. In this view, the lungs were positioned behind the heart, and due to the presence of parabronchiules, they showed the appearance of a honeycomb. The trachea was visible from the pharynx to the bifurcation of the syrinx. Macroscopic observations showed that the lungs lacked lobes and there was no pleural space. Due to the absence of the pleural membrane, the lungs were connected to the surrounding tissues through fibrous tissue. The back surface of the lungs was convex and the same as the curvature of the ribs. The visceral surface was concave and located towards the heart and liver and it was the entry point of the main right and left bronchi. The lungs were stretched from the first to the sixth intercostal space. Based on the histological findings, most of the lung parenchyma of chukar partridge (Alectoris chukar) was composed of third-degree bronchi (Parabronchi). The parabronchi were separated from each other by weakly elastic septa. The findings of this research can be used as a standard reference in identifying radiological and histoanatomy characteristics of the respiratory system and interpreting radiological images, as well as in clinical examinations and treatment of this type of bird.

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