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First experimental evidence for the transmission of Chlamydia psittaci in poultry through eggshell penetration

B Ahmed, Cindy De Boeck (UGent) , Annelien Dumont (UGent) , Eric Cox (UGent) , K De Reu and Daisy Vanrompay (UGent)
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Abstract
Eggshell penetration by pathogens is considered a potential route for their transmission in poultry flocks. Additionally, in case of zoonotic pathogens, contact with infected eggs or their consumption can result in human infection. Chlamydia psittaci is a zoonotic bacterium that causes a respiratory disease in poultry and humans. In this study, we provide an experimental evidence for eggshell penetration by C. psittaci. Additionally, we show that after eggshell penetration, C. psittaci could eventually infect the growing embryo. Our findings portend the potential of horizontal trans-shell transmission as a possible route for the spread of C. psittaci infection in poultry flocks. Considering that horizontal transmission of pathogens via eggs mainly occurs in hatcheries and hatching cabinets, we suggest the latter as critical control points in the transmission of C. psittaci to hatching chicks and broilers, as well as to the hatchery workers and consumers of table eggs.
Keywords
trans-shell transmission, Chlamydia psittaci, CHLAMYDOPHILA-PSITTACI, EGG TRANSMISSION, TURKEYS

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Chicago
Ahmed, B, Cindy De Boeck, Annelien Dumont, Eric Cox, K De Reu, and Daisy Vanrompay. 2017. “First Experimental Evidence for the Transmission of Chlamydia Psittaci in Poultry Through Eggshell Penetration.” Transboundary and Emerging Diseases 64 (1): 167–170.
APA
Ahmed, B., De Boeck, C., Dumont, A., Cox, E., De Reu, K., & Vanrompay, D. (2017). First experimental evidence for the transmission of Chlamydia psittaci in poultry through eggshell penetration. TRANSBOUNDARY AND EMERGING DISEASES, 64(1), 167–170.
Vancouver
1.
Ahmed B, De Boeck C, Dumont A, Cox E, De Reu K, Vanrompay D. First experimental evidence for the transmission of Chlamydia psittaci in poultry through eggshell penetration. TRANSBOUNDARY AND EMERGING DISEASES. 2017;64(1):167–70.
MLA
Ahmed, B, Cindy De Boeck, Annelien Dumont, et al. “First Experimental Evidence for the Transmission of Chlamydia Psittaci in Poultry Through Eggshell Penetration.” TRANSBOUNDARY AND EMERGING DISEASES 64.1 (2017): 167–170. Print.
@article{5966599,
  abstract     = {Eggshell penetration by pathogens is considered a potential route for their transmission in poultry flocks. Additionally, in case of zoonotic pathogens, contact with infected eggs or their consumption can result in human infection. Chlamydia psittaci is a zoonotic bacterium that causes a respiratory disease in poultry and humans. In this study, we provide an experimental evidence for eggshell penetration by C. psittaci. Additionally, we show that after eggshell penetration, C. psittaci could eventually infect the growing embryo. Our findings portend the potential of horizontal trans-shell transmission as a possible route for the spread of C. psittaci infection in poultry flocks. Considering that horizontal transmission of pathogens via eggs mainly occurs in hatcheries and hatching cabinets, we suggest the latter as critical control points in the transmission of C. psittaci to hatching chicks and broilers, as well as to the hatchery workers and consumers of table eggs.},
  author       = {Ahmed, B and De Boeck, Cindy and Dumont, Annelien and Cox, Eric and De Reu, K and Vanrompay, Daisy},
  issn         = {1865-1674},
  journal      = {TRANSBOUNDARY AND EMERGING DISEASES},
  language     = {eng},
  number       = {1},
  pages        = {167--170},
  title        = {First experimental evidence for the transmission of Chlamydia psittaci in poultry through eggshell penetration},
  url          = {http://dx.doi.org/10.1111/tbed.12358},
  volume       = {64},
  year         = {2017},
}

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