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Studies on the examination of imported laboratory monkey, Macaca fascicularis for E. histolytica and other intestinal
Abstract:
Infection rate of imported monkeys, under this study, with intestinal protozoa is higher than the infection rate with intestinal nematodes. Mostly encountered protozoa were E. coli, E. nana, E. histolytica and I. butschlii. Formalin-Ether concentration method yielded higher % positive for E. histolytica than the culture method using Tanabe-Chiba medium, but the results obtained from these 2 methods correlate perfectly well with each other. Efficacy of thiabendazole against intestinal nematodes such as Strongyloides, Trichuris, Physaloptera, Oesophagostomum and Capillaria was very satisfactory.
Insights
Imported monkeys show higher intestinal protozoa infections than nematodes. Entamoeba coli, Endolimax nana, Entamoeba histolytica, and Iodamoeba butschlii were common. Thiabendazole effectively treated nematode infections.
Area of Science:
- Veterinary Parasitology
- Primate Health
- Infectious Diseases
Background:
- Imported primates can harbor various intestinal parasites.
- Understanding the prevalence of protozoa and nematodes is crucial for animal health management.
Purpose of the Study:
- To determine the prevalence of intestinal protozoa and nematodes in imported monkeys.
- To compare diagnostic methods for Entamoeba histolytica detection.
- To evaluate the efficacy of thiabendazole against intestinal nematodes.
Main Methods:
- Fecal samples from imported monkeys were analyzed.
- Formalin-Ether concentration and Tanabe-Chiba culture methods were used for protozoa detection.
- Thiabendazole efficacy was assessed against specific nematode species.
Main Results:
- Intestinal protozoa infections were more prevalent than nematode infections.
- Entamoeba coli, Endolimax nana, Entamoeba histolytica, and Iodamoeba butschlii were the most frequent protozoa.
- Formalin-Ether concentration showed a higher positive rate for E. histolytica compared to culture, with excellent correlation between methods.
- Thiabendazole demonstrated satisfactory efficacy against Strongyloides, Trichuris, Physaloptera, Oesophagostomum, and Capillaria.
Conclusions:
- Protozoal infections are a significant concern in imported monkeys.
- Formalin-Ether concentration is a reliable method for detecting E. histolytica.
- Thiabendazole is an effective treatment for common intestinal nematode infections in this population.