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Online Journal of Veterinary Research


Volume 26 (6): 477-485, 2022.

Prevalence of gastrointestinal parasitic infections in laboratory animals


Moosa Javdani1, Farid Rezaei2, Mohammad Hashemnia2, Abdolali Chalechaleh2, Zahra Nikousefat1


Department of 1Clinical Sciences and 2Pathobiology, Veterinary Medicine Faculty, Razi University, Kermanshah, Iran



Javdani M, Rezaei F, Hashemnia M, Chalechaleh A, Nikousefat Z., Prevalence of gastrointestinal parasitic infections in laboratory animals, Onl J Vet Res., 26 (6): 477-485, 2022. We report prevalence of gastrointestinal parasites of laboratory animals from Faculty of Veterinary Medicine, Razi University, Kermanshah, Iran. Sixty Sprague Dawley, 20 Short hair English guinea pigs and 20 Dutch rabbits were necropsied for parasites. We found 77% infested with nematodes and cestodes. In rats we found 87% infested by 57% Aspiculuris tetraptera, 44% Syphacia obvelata, 17% Syphacia muris, 10% Cysticercus fasciolaris, 42% Hymenolepis diminuta and 12% Hymenolepis nana. In Guinea pigs we found 85% with Nematoparaspidora uncinata and in rabbits 45% Passalurus ambiguus. Most infestations occurred in rats and least in rabbits without trematodes or protozoa. Findings suggest that laboratory animals should be kept separate adequately to avoid infestations.


Keywords: Animal house, Laboratory animals, gastrointestinal parasites, prevalence.