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Original Article
Online Published: 07 Oct 2024
 


Gross and Histopathological Changes in Layers Experimentally Infected with Escherichia coli (APEC serotype O1KI)

Adeke, Joshua Tarsue, Hassan Abdulsalam, Halima Idrisa Gambo, Fatima Adamu Lawan, Sani Adamu, King Akpofure Nelson Esievo.


Abstract
Background: Avian pathogenic Escherichia coli (APEC) induces colibacillosis, an acute and systemic disease, resulting in substantial economic losses in the poultry sector. Aim: This study determined the gross and microscopic changes associated with Escherichia coli (E. coli) (APEC serotype O1KI) infection in layer chickens. Methods: A total of 10 layer chickens (20 weeks old) were acquired and assigned, at random, into two groups (infected and control) of 5 layers each. Each bird in the infected group was challenged with 0.5 ml of bacterial aliquot containing 109 colony-forming units (CFU) of the bacteria, administered intra-tracheally. The birds from both groups were humanely sacrificed on tenth day post-infection and subjected to post-mortem examination for gross and microscopic changes. Results: Gross lesions observed in the infected chickens included congested lungs, enlarged liver and kidney, hyperaemic intestine, congested ovarian follicles and yellowish fibrinous material in the infected group. While microscopic lesions observed were congested ovarian blood vessels, mononuclear cellular infiltration and generalised necrosis of the liver, kidney, and heart. Conclusion: This study revealed various lesions of congested lungs, enlarged liver, hyperaemic intestine, enlarged kidney, and congested ovarian follicles, yellowish fibrinous material, congested blood vessels of the oviduct that were typical of the natural infection and may be attributable to colisepticaemia.

Key words: E coli, Experimental, Gross, Layer Chickens, Microscopic Lesions


 
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How to Cite this Article
Pubmed Style

Adeke, Tarsue J, Abdulsalam H, Gambo HI, Lawan FA, Adamu S, Esievo KAN. Gross and Histopathological Changes in Layers Experimentally Infected with Escherichia coli (APEC serotype O1KI). J Res Vet Sci. 2024; 4(2): 41-46. doi:10.5455/JRVS.20240915103232

Web Style

Adeke, Tarsue J, Abdulsalam H, Gambo HI, Lawan FA, Adamu S, Esievo KAN. Gross and Histopathological Changes in Layers Experimentally Infected with Escherichia coli (APEC serotype O1KI). https://www.wisdomgale.com/jrvs/?mno=302657711 [Access: January 04, 2025]. doi:10.5455/JRVS.20240915103232

AMA (American Medical Association) Style

Adeke, Tarsue J, Abdulsalam H, Gambo HI, Lawan FA, Adamu S, Esievo KAN. Gross and Histopathological Changes in Layers Experimentally Infected with Escherichia coli (APEC serotype O1KI). J Res Vet Sci. 2024; 4(2): 41-46. doi:10.5455/JRVS.20240915103232


Vancouver/ICMJE Style

Adeke, Tarsue J, Abdulsalam H, Gambo HI, Lawan FA, Adamu S, Esievo KAN. Gross and Histopathological Changes in Layers Experimentally Infected with Escherichia coli (APEC serotype O1KI). J Res Vet Sci. (2024), [cited January 04, 2025]; 4(2): 41-46. doi:10.5455/JRVS.20240915103232


Harvard Style

Adeke, Tarsue, . J., Abdulsalam, . H., Gambo, . H. I., Lawan, . F. A., Adamu, . S. & Esievo, . K. A. N. (2024) Gross and Histopathological Changes in Layers Experimentally Infected with Escherichia coli (APEC serotype O1KI). J Res Vet Sci, 4 (2), 41-46. doi:10.5455/JRVS.20240915103232


Turabian Style

Adeke, Joshua Tarsue, Hassan Abdulsalam, Halima Idrisa Gambo, Fatima Adamu Lawan, Sani Adamu, and King Akpofure Nelson Esievo. 2024. Gross and Histopathological Changes in Layers Experimentally Infected with Escherichia coli (APEC serotype O1KI). Journal of Research in Veterinary Sciences, 4 (2), 41-46. doi:10.5455/JRVS.20240915103232


Chicago Style

Adeke, Joshua Tarsue, Hassan Abdulsalam, Halima Idrisa Gambo, Fatima Adamu Lawan, Sani Adamu, and King Akpofure Nelson Esievo. "Gross and Histopathological Changes in Layers Experimentally Infected with Escherichia coli (APEC serotype O1KI)." Journal of Research in Veterinary Sciences 4 (2024), 41-46. doi:10.5455/JRVS.20240915103232


MLA (The Modern Language Association) Style

Adeke, Joshua Tarsue, Hassan Abdulsalam, Halima Idrisa Gambo, Fatima Adamu Lawan, Sani Adamu, and King Akpofure Nelson Esievo. "Gross and Histopathological Changes in Layers Experimentally Infected with Escherichia coli (APEC serotype O1KI)." Journal of Research in Veterinary Sciences 4.2 (2024), 41-46. Print. doi:10.5455/JRVS.20240915103232


APA (American Psychological Association) Style

Adeke, Tarsue, . J., Abdulsalam, . H., Gambo, . H. I., Lawan, . F. A., Adamu, . S. & Esievo, . K. A. N. (2024) Gross and Histopathological Changes in Layers Experimentally Infected with Escherichia coli (APEC serotype O1KI). Journal of Research in Veterinary Sciences, 4 (2), 41-46. doi:10.5455/JRVS.20240915103232


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