Investigation of an outbreak of Taenia saginata cysts (Cysticercus bovis) in dairy cattle from two farms

AMJ McFadden, DD Heath, CM Morley, P Dorny

    Research output: Contribution to journalA1: Web of Science-articlepeer-review


    The paper describes the epidemiological investigation carried out on two dairy farms with cattle infected with Taenia saginata cysts. On the first affected farm it was estimated using Bayesian techniques that approximately 65% of 1400 mixed-age cattle were infected with Taenia saginata cysts. The investigation aimed to determine potential exposure pathways of cattle to Taenia saginata with a view to finding the human source of infection and to describe the epidemiology of the outbreak on the affected farms. In order to determine potential exposure pathways, investigation was centred on how feed or water could have been contaminated with eggs. The plausibility of pathways was determined by examining the spatial and temporal association between factors related to the pathway and the prevalence of infection in cattle strata. We describe the investigation carried out on affected farms.
    Original languageEnglish
    JournalVeterinary Parasitology
    Issue number2-3
    Pages (from-to)177-184
    Number of pages8
    Publication statusPublished - 2011


    • B780-tropical-medicine
    • Helminthic diseases
    • Bovine
    • Cysticercosis
    • Cysticercus bovis
    • Taenia saginata
    • Epidemiology
    • Prevalence
    • Outbreaks
    • Transmission dynamics
    • Cattle
    • Exposure
    • Pathways
    • Feeds
    • Drinking water
    • Contamination
    • Spatial analysis
    • Seasonality
    • Meat inspection
    • Farmers
    • Workers
    • Hygiene
    • New Zealand
    • Pacific


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