Emerging Chlamydia psittaci infections in the chicken industry and pathology of Chlamydia psittaci genotype B and D strains in specific pathogen free chickens

作者：Yin Lizi; Kalmar Isabelle D^*; Lagae Stefanie; Vandendriessche Stien; Vanderhaeghen Wannes; Butaye Patrick; Cox Eric; Vanrompay Daisy

来源：Veterinary Microbiology, 2013, 162(2-4): 740-749.

DOI：10.1016/j.vetmic.2012.09.026

• Chlamydia psittaci
• Chickens
• Poultry
• Broilers
• Pathology

Sera of 30 Belgian and 10 Northern French chicken farms were tested by a Chlamydia (C.) psittaci major outer membrane protein (MOMP) based ELISA. Ninety-six percent, 93% and 90% of the Belgian broilers, broiler breeders and layers were seropositive. Ninety-one percent of the French broilers were seropositive. In addition, tissues of 5 Belgian and 5 French broiler farms were examined at slaughter. All French farms were culture positive while C. psittaci was cultured from the lungs of 80% of examined Belgian farms. C. psittaci infections are apparently emerging in chickens raised in Belgium and Northern France. We could proof Hill-Evans postulates for chicken-derived C. psittaci genotype B and D strains. Chicken-processing plant employees should be considered a risk group for human psittacosis. There is a need for higher awareness and for efficient risk assessment and management of C. psittaci infections in chickens as chlamydiosis in broilers seems to be underdiagnosed and infections with highly virulent strains do occur.

• 出版日期2013-3-23