This publication presents data on Salmonella reports from livestock species in Great Britain (England, Wales and Scotland) collected and collated by the Animal and Plant Health Agency (APHA) during 2021 and also provides data from previous years for comparative purposes.
The data in the first 12 chapters cover reports of Salmonella in animals, with separate chapters for the main livestock species, reports of Salmonella in dogs, reports of Salmonella in wildlife and reports of Salmonella in animal feeding stuffs.
The 13th chapter covers antimicrobial resistance data for Salmonella (England and Wales only).Since 1993, the date of a Salmonella incident has been recorded as the date it was reported to an Officer of the Minister. Under the present system, any Salmonella reports that are confirmed or identified after the publication of the annual report will be incorporated into the revised tables that appear in the following year’s publication. This may result in the number of incidents and/ or isolations differing from that previously given for a particular year.
The most recent version of the report should therefore always be used when comparing data from year to year. Revisions in the way that data have been compiled and presented since 1993 mean that, with the exception of the tables on Salmonella in animal feeding stuffs, data in this report cannot be compared directly with information published prior to 1993. A more detailed comparison can be generated, if required, for any Salmonella serovar, or phage type in the case of S.Enteritidis and S. Typhimurium. Requests for such data should be made to the Department of Epidemiological Sciences, APHA Weybridge who will be happy to assist with requests at Foodbornezoonoses@apha.gov.uk. Care should be taken when comparing data from one year to another as an increase or decrease in the number of isolations and incidents does not necessarily indicate a similar change in prevalence. This is because the total number of samples examined and their distribution are often not known.