Comparative Histomorphological Studies on the Lungs in Adult Pashmina, Bakerwali and Non-Descript Goats of Union Territories of Ladakh and Jammu & Kashmir

Neelofar Nabi; Kamal Sarma; Jonali Devi

doi:10.5455/ijlr.20201013073646

Authors

Neelofar Nabi Division of Veterinary Anatomy, Faculty of Veterinary Sciences and Animal Husbandry, SKUAST, Jammu, R. S. Pura, Jammu, Jammu and Kashmir, INDIA
Kamal Sarma Division of Veterinary Anatomy, Faculty of Veterinary Sciences and Animal Husbandry, SKUAST, Jammu, R. S. Pura, Jammu, Jammu and Kashmir, INDIA
Jonali Devi Division of Veterinary Anatomy, Faculty of Veterinary Sciences and Animal Husbandry, SKUAST, Jammu, R. S. Pura, Jammu, Jammu and Kashmir, INDIA

DOI:

https://doi.org/10.5455/ijlr.20201013073646%20%20%20%20%20

Keywords:

Bakerwali, Lungs, Non-descript Goats, Pashmina

Abstract

This study was conducted on the lungs of adult Pashmina, Bakerwali and non-descript goats (ten each) to demonstrate the histomorphological features. In the present study, the lungs of all the breeds of goat showed a well-developed visceral layer of the pulmonary pleura surrounding each lung lobe. The visceral pleura was composed of fibrous connective tissue with an outer mesothelial layer consisting of squamous cells. It consisted of mainly collagenous and bands of elastic fibres. The primary bronchioles of all the breeds of goat had less folded mucosa supported by a thin lamina propria. The secondary bronchioles had almost similar histological structure, except the reduced thickness of the bronchiolar wall, presence of non-ciliated Clara cells increased as compared to ciliated columnar cells and absence of goblet cell in the bronchiolar epithelium. The epithelium of the terminal bronchioles was composed of non-ciliated columnar or high cuboidal cells with relatively more numbers of Clara cells. The number of alveolar macrophages was more in the lungs of Bakerwali goat as compared to the other two breeds. Type-I pneumocytes were the most predominant cell type in the alveolar wall and inter alveolar septum which were simple squamous type of cells with agranular cytoplasm and prominent nuclei that were seen protruding into the lumen of the alveoli. The type-II pneumocytes were cuboidal cells with a foamy cytoplasm in all the goats under study.

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