Gastrointestinal helminth of Nile crocodiles (Crocodylus niloticus), in Arba Minch Crocodile Ranch, Ethiopia

Abstract Parasites are among the major organisms that affect the health of crocodiles. A cross-sectional study was conducted from November 2021 to May 2022 aimed to determine the prevalence of gastrointestinal helminths of Nile crocodiles in Arba Minch Crocodile Ranch (AMCR), Ethiopia. A total of 32...

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Main Authors: Meheret Utele, Alemayehu Gebeyehu, Tamirat Kaba
Format: Article
Language:English
Published: Nature Portfolio 2025-01-01
Series:Scientific Reports
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Online Access:https://doi.org/10.1038/s41598-025-88181-3
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author Meheret Utele
Alemayehu Gebeyehu
Tamirat Kaba
author_facet Meheret Utele
Alemayehu Gebeyehu
Tamirat Kaba
author_sort Meheret Utele
collection DOAJ
description Abstract Parasites are among the major organisms that affect the health of crocodiles. A cross-sectional study was conducted from November 2021 to May 2022 aimed to determine the prevalence of gastrointestinal helminths of Nile crocodiles in Arba Minch Crocodile Ranch (AMCR), Ethiopia. A total of 322 fecal samples were collected using a random sampling technique. Standard parasitological tests were used to identify the gastrointestinal helminth parasite. Out of 322 fecal samples examined, 102(31.68%) were found positive for gastrointestinal helminths. Among the endoparasite eggs detected Dujardinascaris (18.01%) species was the most dominant species followed by Trichinella species (5.62%), polydeliphs (3.1%) and Renifers species (0.62%). There was a statistically significant difference(P = 0.0001) in the prevalence of helminth parasites between male (15.97%) and female (44.38%) crocodiles. Likewise, the prevalence of helminths between different age groups was determined with the highest prevalence in crocodiles of less than 8 years old (41.9%) and the lowest prevalence in crocodiles of age greater than 11 years (19.56%). It has been observed that the crocodile in the area of study had mixed infestation with more than one parasite. The study revealed that gastrointestinal parasites were prevalent in the ranch. Therefore, strict prophylaxis treatment and hygiene should be performed in the study area.
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spelling doaj-art-552516eea8ae488db4d3aaa401f1ffc92025-02-02T12:19:58ZengNature PortfolioScientific Reports2045-23222025-01-011511810.1038/s41598-025-88181-3Gastrointestinal helminth of Nile crocodiles (Crocodylus niloticus), in Arba Minch Crocodile Ranch, EthiopiaMeheret Utele0Alemayehu Gebeyehu1Tamirat Kaba2Faculty of Veterinary Medicine, Hawassa UniversityFaculty of Veterinary Medicine, Hawassa UniversityVeterinary Program, Department of Animal Science, College of Agricultural Science, Arba Minch UniversityAbstract Parasites are among the major organisms that affect the health of crocodiles. A cross-sectional study was conducted from November 2021 to May 2022 aimed to determine the prevalence of gastrointestinal helminths of Nile crocodiles in Arba Minch Crocodile Ranch (AMCR), Ethiopia. A total of 322 fecal samples were collected using a random sampling technique. Standard parasitological tests were used to identify the gastrointestinal helminth parasite. Out of 322 fecal samples examined, 102(31.68%) were found positive for gastrointestinal helminths. Among the endoparasite eggs detected Dujardinascaris (18.01%) species was the most dominant species followed by Trichinella species (5.62%), polydeliphs (3.1%) and Renifers species (0.62%). There was a statistically significant difference(P = 0.0001) in the prevalence of helminth parasites between male (15.97%) and female (44.38%) crocodiles. Likewise, the prevalence of helminths between different age groups was determined with the highest prevalence in crocodiles of less than 8 years old (41.9%) and the lowest prevalence in crocodiles of age greater than 11 years (19.56%). It has been observed that the crocodile in the area of study had mixed infestation with more than one parasite. The study revealed that gastrointestinal parasites were prevalent in the ranch. Therefore, strict prophylaxis treatment and hygiene should be performed in the study area.https://doi.org/10.1038/s41598-025-88181-3Nile crocodilesCrocodylus niloticusArba Minch Crocodile RanchHelminth
spellingShingle Meheret Utele
Alemayehu Gebeyehu
Tamirat Kaba
Gastrointestinal helminth of Nile crocodiles (Crocodylus niloticus), in Arba Minch Crocodile Ranch, Ethiopia
Scientific Reports
Nile crocodiles
Crocodylus niloticus
Arba Minch Crocodile Ranch
Helminth
title Gastrointestinal helminth of Nile crocodiles (Crocodylus niloticus), in Arba Minch Crocodile Ranch, Ethiopia
title_full Gastrointestinal helminth of Nile crocodiles (Crocodylus niloticus), in Arba Minch Crocodile Ranch, Ethiopia
title_fullStr Gastrointestinal helminth of Nile crocodiles (Crocodylus niloticus), in Arba Minch Crocodile Ranch, Ethiopia
title_full_unstemmed Gastrointestinal helminth of Nile crocodiles (Crocodylus niloticus), in Arba Minch Crocodile Ranch, Ethiopia
title_short Gastrointestinal helminth of Nile crocodiles (Crocodylus niloticus), in Arba Minch Crocodile Ranch, Ethiopia
title_sort gastrointestinal helminth of nile crocodiles crocodylus niloticus in arba minch crocodile ranch ethiopia
topic Nile crocodiles
Crocodylus niloticus
Arba Minch Crocodile Ranch
Helminth
url https://doi.org/10.1038/s41598-025-88181-3
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