Development of a combination Salmonella / Campylobacter vaccine
2006
Gorman Nicholas
The New Zealand Kellogg Rural Leaders Programme develops emerging agribusiness leaders to help shape the future of New Zealand agribusiness and rural affairs. Lincoln University has been involved with this leaders programme since 1979 when it was launched with a grant from the Kellogg Foundation, USA.
Show more [+] Less [-]Serotypes of Salmonella are the cause of two problems in the New Zealand sheep population. The first is enteric salmonellosis causing scours, which is widespread in the North Island and in the South Island effects Canterbury, Otago and Southland. The Second is Salmonella brandenburg which causes abortions and ewe deaths. This has been seen only in Canterbury, Southland and Otago. The enteric form of the disease had been acknowledged for many years, however S. brandenburg was first isolated in Mid Canterbury in 1996. The disease then extended into Southland and Otago in the late 1990's and had a catastrophic effect on ewe flocks around Southland in 1999 resulting in significant loss of productivity through loss of potential lambs from abortions and the loss of breeding ewes This disease is also a zoonosis and there has been a continuing increase in the number of human cases reported over the last 10 years. Over the past 5 years there have been a large number of farmers that have requested a combination vaccine for the sheep. The idea of a combined campylobacter and salmonella vaccine is one that has been often spoken about by farmers, vets and industry. The majority of sheep farmers are tired of the number of vaccinations that they have to give their sheep.
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