Whilst currently studying a possible increase of DSCC in broilers, the expected fall in cases during the summer months has not occurred. Is this, perhaps,due to the poor weather conditions we have experienced this summer in Britain?
The so-called squamous cell carcinoma is not a true carcinoma and it is Keratoacanthoma. I am not in diagnostic laboratory, so I do not have the answer to the question being posted (incidence). The incidence can be answered by a poultry meat inspector with Ontario Ministry of Agriculture.
The lesion is found when the feather was plucked, like during the meat inspection and the carcas is codemned. Actually, surgical removal of the lesion seems to work for curing the disease.
You may contact Dr. Marina Brash at Poultry Pathology, Animal Health Laboratory , Ontario Veterinary College for further infornation.
Additional information regarding "Dermal Squamous Cell Carcinoma" or Keratoacanthoma can be obtained with this on-line version of two papers; one in Avian Disease and the other in Veterinary Pathology.
http://vet.sagepub.com/content/30/3/265
The papers are:
1. Spontaneous Regression of "Dermal Squamous Cell Carcinoma" in Young Chicken Carcasses by S. Hafner, B.G. Harmon, G.N. Rowland, R.G. Stewart and J.R. Glisson. in Avian Diseases, vol.35, No.2 (Apr-June 1991) pp 321-327
2. Avian Keratoacanthoma (Dermal Squamous Cell Carcinoma) in Broiler Chiken Carcasses by S. Hafner, B.G. Harmon, R.G. Stewart and G.N. Rowland. in Veterinary Pathology. 1993, Vol.30, p. 265
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