Vaccination of cattle in the face of a Pomona abortion storm

Authors: Manktelow BW, Marshall RB, Mackintosh CG
Publication: New Zealand Veterinary Journal, Volume 28, Issue 9, pp 196, Sep 1980
Publisher: Taylor and Francis

Animal type: Cattle, Livestock, Production animal, Ruminant
Subject Terms: Abortion/stillbirth, Animal remedies/veterinary medicines, Bacterial, Reproduction, Immune system/immunology, Zoonosis, Disease/defect, Infectious disease, Reproduction - female, Vaccination, Public health
Article class: Correspondence

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Abstract: We have recently received a number of enquiries regarding the vaccination of cattle for leptospirosis in the face of a pomona abortion storm. The queries are usually of three kinds: (i) how successful is vaccination in this situation? (ii) how long will abortions continue after vaccination? (iii) what else can be done? Pigs are the maintenance hosts for pomona and act as long term carriers, while cattle, and possibly dogs, act as short term carriers. Cattle are susceptible to infection at any time but usually only abort when in the third trimester of pregnancy. In our experience up to 50% of susceptible animals in a herd may abort in a natural outbreak. Therefore in answer to the queries:..

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