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According to the results of a study on the economic and welfare impact of lameness in sows in England, the prevalence of lameness in sows was 4.3%, and at least one lame sow was observed at 50.4 % of the 113 farms.
Depending on the severity of the case, the estimated cost of an initial case of lameness could range from £19 to above £266. An increased awareness of the risk factors behind lameness is essential in farm management and can be useful when designing housing areas as well as developing future prevention plans for lameness.
In both indoor and outdoor sows, the presence of a prevention plan for lameness at the farm significantly affected the occurrence of lameness. Farms with higher producing sows were more likely to have a prevalence of lameness of 5% or higher. When only indoor sows were considered, the odds of lameness occurring at the farm increased with the number of sows in the pen. Lameness was also more likely to occur at farms where sows were housed on solid flooring than when they were kept on slatted or partly slatted flooring.
November 2011/ BPEX.
http://www.bpex.org.uk/
