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Fresh, direct, and phase-contrast microscopy is an easy-to-perform, replicable, and economical diagnostic technique included in the guidelines of the Centers of Disease Control of Atlanta in 2015
The goal of this work is to present the reader with the most common diseases that can produce immunosuppression in poultry, provide guidance for the diagnosis of immunosuppressive diseases, and examine the challenges that a diagnostician may face in confirming a diagnosis of immunosuppression. The book will feature an extensive collection of color photographs depicting gross and microscopic images.
Infectious bronchitis is an acute and highly contagious respiratory disease of chickens characterized by respiratory signs comprising gasping, coughing, sneezing, tracheal rales and nasal discharge. In addition, severe respiratory distress may occur in young chickens. Respiratory distress, decrease in egg production, and loss of internal egg quality and eggshell quality have been reported in layers. Some strains of the virus produce severe kidney damage and may be associated with high mortality.
