Non-Human Salmonella Isolates, 2011
Wednesday 22nd March 2023
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Summary
The Enteric Reference Laboratory confirmed 1439 non-human Salmonella isolates in 2011 compared with 1220 in 2010.Animal isolates increased from 923 in 2010 to 966 in 2011, more specifically bovine isolates which increased from 557 in 2010 to 763 in 2011. This was partly linked to a Salmonella outbreak in dairy herds in the Taranaki, Waikato, Bay of Plenty and Manawatu regions (http://www.stuff.co.nz/taranaki-daily-news/farming/6177026/Region-assesses-outbreak-risk).
In April 2011, S. Typhimurium phage type 110B isolated from a canary was reported. Further testing confirmed this isolate to be S. Typhimurium phage type RDNC-May 06.
There was an increase in the number of S. Brandenburg isolated from environmental sources with 91 confirmed in 2011 compared with 6 in 2010.
There was a general increase in the number of poultry isolates (2010 = 96, 2011 = 183) and in the number of S. Agona isolates (2010 = 25, 2011 = 77) mainly due to the number of meat/bone meal isolates.
Ovine isolates decreased from 159 in 2010 to 117 in 2011. S. Brandenburg isolated from ovine decreased from 94 in 2010 to 42 in 2011.
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