Summary
This cross-sectional survey in north-central Nigeria documented high prevalence of trematode infections in cattle, with Fasciola gigantica affecting 74.9% of 686 sampled animals. The study identified age of cattle and herd size as key risk factors, with adult cattle 1.94 times more likely to be infected than weaners, and larger herds (≥100 head) at substantially greater risk of Dicrocoelium hospes infection. Findings suggest that trematode infections represent a significant production constraint in the region, with implications for livestock productivity and animal welfare.
UK applicability
Whilst this study addresses livestock parasites in a tropical West African setting, fasciolosis does occur in the UK and similar epidemiological approaches could inform herd-level management strategies. However, the specific risk factors identified (e.g. herd size thresholds, household-level variables) may not directly transfer to UK farming systems, where pasture management, climate and veterinary control practices differ substantially.
Key measures
Prevalence of Fasciola gigantica (74.9%), paramphistomes (16.1%), Dicrocoelium hospes (7.3%), and Schistosoma bovis (1.2%); faecal egg counts; packed cell volume (PCV); FAMACHA© anaemia score; odds ratios for infection risk factors
Outcomes reported
The study determined the prevalence of Fasciola gigantica and other trematode infections in cattle across 65 households in Edu Local Government Area, and identified herd-level and household-level risk factors associated with these infections using logistic regression analysis.
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