An analysis of mixed linear model, lagged rainfall effects on gastrointestinal parasite intensity in Chacma baboons, Filabusi, Zimbabwe

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dc.contributor.authorBanda, Annabel
dc.contributor.authorMoyo, Doreen Z.
dc.contributor.authorUtete, Edmore
dc.contributor.authorTapedzwa, Enock
dc.contributor.authorNcube, Nokubonga
dc.contributor.authorNdlovu, Meshach
dc.contributor.authorMagenge, Mangirichi M
dc.contributor.authorGandiwa, Edson
dc.date.accessioned2026-08-21T06:51:23Z
dc.date.available2026-08-21T06:51:23Z
dc.date.issued2026-05-14
dc.description.abstractThe spread of zoonotic diseases jeopardizes public health and wildlife conservation. Environmental, edaphic, and biological factors influence parasite intensity, thereby impacting zoonotic disease transmission. This study investigated the impact of rainfall, year, parasite type, and troops on the intensity of gastrointestinal parasites in Chacma baboons at Epoch Mine Campus, Gwanda State University, located in Filabusi, Insiza District. Data were collected in 2023 and 2024. A number of linear mixed-effects models were constructed to evaluate the factors influencing gastrointestinal parasite intensity in baboons. The analysis revealed two notable interaction effects regarding parasite intensity. The interaction between year and parasite type showed a substantial increase in parasite intensity in 2023 and 2024 (Estimate = 169.80, p < 0.001), even after controlling for rainfall factors. In contrast, lagged models showed no significant improvement, with a difference in the Akaike Information Criterion (ΔAIC) of less than 0.15. It is concluded that rainfall, year, and parasite type may influence the intensity of gastrointestinal parasites, but rainfall effects vary across parasites.
dc.identifier.citationBanda, A., Moyo, D. Z., Utete, E., Tapedzwa, E., Ncube, N., Ndlovu, M., Magenge, M. M., and Gandiwa, E. (2026). An analysis of mixed linear model, lagged rainfall effects on gastrointestinal parasite intensity in Chacma baboons, Filabusi, Zimbabwe. Israel Journal of Ecology and Evolution (published online ahead of print 2026), Available From: Brill https://doi.org/10.1163/22244662-bja10132
dc.identifier.issn2224-4662
dc.identifier.urihttps://doi.org/10.1163/22244662-bja10132
dc.identifier.urihttps://ir.gsu.ac.zw/handle/123456789/1084
dc.language.isoen
dc.publisherBrill
dc.relation.ispartofseriesIsrael Journal of Ecology and Evolution
dc.subjectChacma baboons
dc.subjectgastrointestinal parasites
dc.subjectlinear mixed-effects model
dc.subjectrainfall variability
dc.subjectzoonotic disease
dc.titleAn analysis of mixed linear model, lagged rainfall effects on gastrointestinal parasite intensity in Chacma baboons, Filabusi, Zimbabwe
dc.typeArticle

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