What question did this study set out to answer?

To evaluate and compare the virulence, lesion severity, and tissue tropism of recent Mycoplasma synoviae field isolates against a known virulent reference strain in commercial turkeys.

January 1, 2002Avian Diseases

Virulence of Recent Isolates of Mycoplasma synoviae in Turkeys

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Authors

MKMinsoo KangElectronics and Telecommunications Research Institute PGP. GazdzińskiStratasys (Israel)SKS. H. KlevenUniversity of Minnesota

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Implication

Experimental study reveals reduced joint virulence of recent Mycoplasma synoviae isolates in commercial turkeys, highlighting potential economic risks from subclinical flock infections.

Key Points

To evaluate and compare the virulence, lesion severity, and tissue tropism of recent Mycoplasma synoviae field isolates against a known virulent reference strain in commercial turkeys.
Experimentally induced systemic Mycoplasma synoviae infection in commercial turkeys using two recent field isolates (K4822D, K4774J), an earlier field isolate (K4463B), a known virulent strain (K1968), and unchallenged controls.
Evaluated gross and microscopic lesions, serologic responses, and tissue isolation rates at 10 and 21 days postchallenge.
All challenge strains induced infectious synovitis and robust positive serologic responses, but the reference strain K1968 caused the most severe and extensive gross and microscopic lesions in hock joints, stifle joints, and footpads.
Recent isolates K4822D and K4774J showed virulence in synovial tissues similar to isolate K4463B but lower overall virulence than K1968, accompanied by only mild respiratory lesions.

Cite This Study

Kang et al. (2002) studied this question.

synapsesocial.com/papers/6a77ce36137c7dcc81be14d0 https://doi.org/10.1637/0005-2086(2002)046[0102:voriom]2.0.co;2

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Implication

Experimental study reveals reduced joint virulence of recent Mycoplasma synoviae isolates in commercial turkeys, highlighting potential economic risks from subclinical flock infections.

Virulence of Recent Isolates of Mycoplasma synoviae in Turkeys

Discussion

Member takes

Implication

Key Points

Cite This Study

Virulence of Recent Isolates of Mycoplasma synoviae in Turkeys

Discussion

Member takes

Implication

Key Points

Cite This Study

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