Changes

==Signalment==

==Signalment==

Affects pigs of all ages, most common in pigs kept in poor conditions and in batches of newly bought gilts. May occur in certain conditions often during hot humid weather or in particular buildings or fields.

Affects pigs of all ages but is most common in pigs kept in poor conditions and also in batches of newly bought gilts. Often occurs during hot humid weather or in particular buildings or fields.

==Diagnosis==

==Diagnosis==