Research Communication

Case report: Control of intestinal nematodes in captive Chlorocebus sabaeus

Katalina Cruz, Tatiana M. Corey, Michel Vandenplas, María Trelis, Antonio Osuna, Patrick J. Kelly
Onderstepoort Journal of Veterinary Research | Vol 88, No 1 | a1903 | DOI: https://doi.org/10.4102/ojvr.v88i1.1903 | © 2021 Katalina Cruz, Tatiana Corey, Michel Vandenplas, María Trelis, Antonio Osuna, Patrick John Kelly | This work is licensed under CC Attribution-NoDerivatives 4.0
Submitted: 09 September 2020 | Published: 28 May 2021

About the author(s)

Katalina Cruz, Faculty of Veterinary Medicine, Ross University School of Veterinary Medicine, Basseterre, St Kitts and Nevis, West Indies; and, Department of Parasitology, Faculty of Sciences, Institute of Biotechnology, Biochemistry and Molecular Parasitology, University of Granada, Granada, Spain
Tatiana M. Corey, St Kitts Biomedical Research Foundation and Virscio, St Kitts and Nevis, Lower Bourreyaeu, West Indies
Michel Vandenplas, Faculty of Veterinary Medicine, Ross University School of Veterinary Medicine, Basseterre, St Kitts and Nevis, West Indies
María Trelis, Department of Parasitology, Faculty of Pharmacy, University of Valencia, Valencia, Spain; and, Research Unit on Endocrinology, Nutrition and Clinical Dietetics, Health Research Institute La Fe, Valencia, Spain
Antonio Osuna, Department of Parasitology, Faculty of Sciences, Institute of Biotechnology, Biochemistry and Molecular Parasitology, University of Granada, Granada, Spain
Patrick J. Kelly, Faculty of Veterinary Medicine, Ross University School of Veterinary Medicine, Basseterre, St Kitts and Nevis, West Indies


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Abstract

There are limited data on the efficacy of antiparasitic treatments and husbandry methods to control nematode infections in captive populations of African green monkeys (AGMs), Chlorocebus sabaeus. In faecal egg count (FEC) tests, 10 of the 11 (91%) adult male AGMs captured from the large feral population on the island of St Kitts had evidence of nematode infections, mostly Capillaria (8/11, 73%), Trichuris trichiura (7/11, 64%) and strongylid species (7/11, 64%) specifically (hookworm and Trichostrongylus, 50/50), but also Strongyloides fuelleborni (1/11, 9%). When kept in individual cages with cleaning and feeding regimens to prevent reinfections and treated concurrently with ivermectin (300 µg/kg, given subcutaneously) and albendazole (10 mg/kg, given orally) daily for 3 days, 60% (6/10) of the AGMs were negative at a follow-up FEC at 3 months and by FEC and necropsy at the end of the study 5–8 months later. One monkey appeared to have been reinfected with T. trichiura after being negative by FEC at 3 months post-treatment. Four AGMs were positive for T. trichiura at the 3 month FEC follow-up but were negative at the end of the study after one further treatment regimen. Although initially being cleared of Capillaria following treatment, three AGMs were found to be infected at the end of the study. The ivermectin and albendazole treatment regimen coupled with good husbandry practices to prevent reinfections effectively controlled nematode infections in captive AGMs.

Keywords

Capillaria; Trichuris; hookworm; Trichostrongylus; Strongyloides; albendazole; ivermectin; captive; African green monkeys

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