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2. Aviagen 2009b ROSS Broiler Management Manual Huntsville, AL 35805
3. Tegument;Bacha,2000
4. Berg C. 1998 Foot-Pad dermatitis in broilers and turkeys - prevalence, risk factors and prevention Doctoral thesis Swedish Univ. of Agricultural Sci
5. Pododermatitis and hock burn in broiler chickens;Berg,2004