Evaluation of scratches as an essential element in the development of avian cellulitis in broiler chickens
1999
Norton, R.A. | Macklin, K.S. | McMurtrey, B.L.
Currently, the published cellulitis models do not adequately address the actual pathogenesis as seen in the commercial broiler industry. In this model, small dermal scratches were made on the skin of broiler chickens, which were then placed on litter seeded with avian cellulitis-associated Escherichia coli. The research confirms scratches are required for the induction of avian cellulitis. The research also confirms that "type I" cellulitis lesions or those previously thought to be due to hatchery-borne infections can be induced with scratches. The described methods provide a realistic model for cellulitis development that will improve the reliability of prophylactic and therapeutic regimen efficacy testing data, thereby providing information more directly useful to the commercial broiler industry.
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