Reduction of the prevalence of footrot on New Zealand farms by vaccination

Authors: Liardet DM, Hindmarsh FH, Chetwin DH, McNerney DM
Publication: New Zealand Veterinary Journal, Volume 37, Issue 3, pp 129-130, Sep 1989
Publisher: Taylor and Francis

Animal type: Livestock, Production animal, Ruminant, Sheep
Subject Terms: Animal remedies/veterinary medicines, Bacterial, Hoof/claw, Disease/defect, Infectious disease, Limb - lower, Immune system/immunology, Locomotor, Vaccination
Article class: Correspondence

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Abstract: Vaccination against Bacteriodes nodosus, the causal organism of footrot has been shown to induce resistance in sheep to experimental challenge and to natural infection with homologous strains. Vaccination of infected sheep has also been shown to promote healing of existing lesions. It is acknowledged that footrot vaccines alone do not totally eliminate the disease. However, they do reduce and control the disease to a level that is more manageable for the farmer. Four separate field trials were conducted on commercial farms in different locations of New Zealand using a multivalent footrot vaccine (FOOTVAX). The objective of the trials was to demonstrate the vaccine`s ability to reduce the prevalence of footrot in a vaccinated flock to a level that was more manageable for the farmer. The vaccines used were…

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