date:Jun 17, 2015
The University of Minnesotas Swine Health Monitoring Project gets data each week from 19 production systems that have roughly 2.1 million sows. Thats about 40 per cent of the national sow herd so, even though the same is not random, it is certainly large.
It also represents all of the major production areas and thus provides, we think, a good picture of the activity level or PEDv in farrowing units where virtually all of the PEDv death losses occur.
As can be seen, the number of sow farm cases