By farm class, this figure breaks down as follows since the week of 15 April: suckling, 44; nursery, 39; grower/finisher, 210; sows/boars, 89 and 69 unknown. The total is up 27 from a week ago.

Wisconsin has reported its first positive result in the last week, bringing the total number of states known to be affected since the start of reporting to 17. Those states with 10 or more positive tests are: Iowa, 163; Oklahoma, 107; Kansas, 41; Minnesota, 40; Indiana, 21; North Carolina, 20; Colorado, 15 and Ohio, 12. Of these states, only Ohio reported no additional positive results in the last week; Iowa had the biggest increase, with nine new cases.

In mid-June, the reporting system was adjusted. For the weeks prior to 16 June, laboratories were able to provide diagnostic case submissions and number of premises testing positive for PEDv.

Since the week of 16 June, the total number of swine samples testing positive is 994, up from 926 the previous week. The most-affected states are: Oklahoma, 341; Kansas, 230; North Carolina, 134; Iowa, 116; Ohio, 50; Minnesota, 47 and Colorado, 30. Other states, where positive, reported 20 positives or fewer.

In the most recent week reported (week of 4 August), the following states reported one or more positive results: Colorado (2), Iowa (22), Illinois (1), Indiana (1), Kansas (19), Minnesota (1), North Carolina (9), Oklahoma (10) and Wisconsin (3).

Further Reading

Find out more information on PED by clicking here.