Hello,
I found this excellent article on ulcerative bacterial dermatitis.
source: Department of Pathology, College or Veterinary Medicine, Univ. of Georgia
visit this link to read the article:
http://www.vet.uga.edu/vpp/Undergrad/Siegel/index.htm
Hope it will be interesting and useful for you. All the best,
Diego Jordano
Spain
A.E.K. web site
http://www.elkoi.com
pers. web site
http://es.geocities.com/estanqueskois/