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Updated: Jun 14, 2026
06:57
Loop-mediated Isothermal Amplification (LAMP) Assays for the Species-specific Detection of Eimeria that Infect Chickens
Published on: February 20, 2015
[Mycoplasma synoviae-associated egg-pole shell defects in laying hens]
Martin Frederick Ranck1, Volker Schmidt, Hans-Christian Philipp
1Klinik für Vögel und Reptilien der Universität Leipzig.
Berliner Und Munchener Tierarztliche Wochenschrift
|March 25, 2010
Summary
Mycoplasma synoviae infections are likely linked to egg-pole shell defects (EPS) in hens. Higher M. synoviae titers and DNA presence in cloacal swabs and eggs from hens with EPS suggest a strong association.
Area of Science:
- Avian pathology
- Bacteriology
- Shell quality research
Context:
- Eggshell defects, specifically egg-pole shell defects (EPS), impact poultry production.
- Understanding the etiology of EPS is crucial for improving egg quality and flock health.
Purpose:
- To investigate the potential association between Mycoplasma synoviae (M. synoviae) infection and the occurrence of egg-pole shell defects (EPS) in commercial laying hens.
Summary:
- A clinical prospective study involving 86 hens with EPS and 72 controls found significantly higher M. synoviae titers in hens with EPS.
- PCR confirmed M. synoviae in cloacal swabs more frequently in hens with EPS (87%) than controls (18%).
- M. synoviae DNA was detected in 98% of eggs with EPS, compared to 26% of control eggs, and ultrastructural analysis showed shell differences.
Impact:
- Findings suggest M. synoviae involvement in EPS development in surveyed herds.
- Further research is needed to confirm the causal pathogenic role of M. synoviae in EPS.
- This study provides valuable insights into potential microbial causes of eggshell abnormalities.
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