<i>Eimeria</i> spp. in Cattle: A Global Systematic Review and Meta‐Analysis

= 99.4%). Prevalence ranged from 27.1% (2012-2018) to 40.8% (≤2011), 29.5% in Asia to 67.4% in Central America and 1% (Macedonia) to 94.2% (Costa Rica), though some national estimates were based on single studies. Calves <1 year accounted for the highest proportion of positives (56.3%, 95% CI: 46.2-65.8), and females showed higher infection rates (66.7%, 95% CI: 61.7-71.4). Infections peaked during warm and humid periods. Sixteen Eimeria species were identified in cattle; E. bovis and E. zuernii predominated, followed by E. auburnensis, E. ellipsoidalis, E. cylindrica and E. alabamensis. Sensitivity analyses confirmed estimate stability. Meta-regression identified sample size as the only significant predictor, explaining 4% of heterogeneity. Publication bias was detected (p < 0.05). Eimeria infection imposes a substantial global burden in cattle, particularly among calves and females. Although sample size influenced reported prevalence, marked heterogeneity persists. Standardized reporting and geographically balanced studies are needed to better inform global coccidiosis control strategies.

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Publication Details

Journal
Veterinary Medicine and Science
Published
2026-05-01
DOI
https://doi.org/10.1002/vms3.70991
Primary Topic
Helminth infection and control
Type
article
Field-Weighted Citation Impact
0.00
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article

Eimeria spp. in Cattle: A Global Systematic Review and Meta‐Analysis

Oskar Nowak, Mostafa Omidian, Laya Shamsi, Ali Asghari et al.
Veterinary Medicine and Science
Helminth infection and control
article

Eimeria spp. in Cattle: A Global Systematic Review and Meta‐Analysis

Oskar Nowak, Mostafa Omidian, Laya Shamsi, Ali Asghari, Mohammad Reza Mohammadi, Ali Pouryousef, Milad Badri
article en

Abstract

= 99.4%). Prevalence ranged from 27.1% (2012-2018) to 40.8% (≤2011), 29.5% in Asia to 67.4% in Central America and 1% (Macedonia) to 94.2% (Costa Rica), though some national estimates were based on single studies. Calves <1 year accounted for the highest proportion of positives (56.3%, 95% CI: 46.2-65.8), and females showed higher infection rates (66.7%, 95% CI: 61.7-71.4). Infections peaked during warm and humid periods. Sixteen Eimeria species were identified in cattle; E. bovis and E. zuernii predominated, followed by E. auburnensis, E. ellipsoidalis, E. cylindrica and E. alabamensis. Sensitivity analyses confirmed estimate stability. Meta-regression identified sample size as the only significant predictor, explaining 4% of heterogeneity. Publication bias was detected (p < 0.05). Eimeria infection imposes a substantial global burden in cattle, particularly among calves and females. Although sample size influenced reported prevalence, marked heterogeneity persists. Standardized reporting and geographically balanced studies are needed to better inform global coccidiosis control strategies.

Veterinary Medicine and ScienceVol. 12(3)
Islamic Azad University, Tehran (IR), Isfahan University of Medical Sciences (IR), Islamic Azad University South Tehran Branch (IR), Tarbiat Modares University (IR), Islamic Azad University, Khoy Branch (IR), Sabzevar University of Medical Sciences (IR), Adam Mickiewicz University in Poznań (PL), Qazvin University of Medical Sciences (IR)
Openalex Percentile: Top 4%
Helminth infection and control
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