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Camp-negative - Microbiology Forum

Camp-negative - Discuss Microbiology Science and Protocols here. Post questions on the study of viruses, fungi, parasites and bacteria here. Microbiology Forum.

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Old 11-25-2006, 03:26 PM
vincent setiawan
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Default Camp-negative

Hello, I am working udder healht microbilogy lab for dairy farm, and recently i foun some streptococcal collony, I suspect that it was Streptococcus agalactiae, since there was an outbrake a year a go, the camp was negative, but when i tested it with streptococcal grouping kit (oxoid) for group B antigent was positive. Is it possible that Streptococcus agalactiae ressults negative in Camp test but possitive in Lancefield grouping for B antigen?
thx be4

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Old 11-26-2006, 05:08 AM
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Default Camp-negative

I would think that Lancefield grouping trumps a CAMP test for
identification. I have never used the CAMP test. I've always used latex
agglutination. Was the colony hemolytic? There are non-hemolytic Group B
streps. The colony morphology looks similar; it is just not hemolytic.

Judy Dilworth, M.T. (ASCP)

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Old 01-17-2012, 08:15 AM
Pipette Filler
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Default Re: Camp-negative

Hi, I'm also working on mastitis bacterial isolates for my thesis here in the Philippines. I also have Streptococcus agalactiae isolates identified by BBL crystals with negative results from CAMP test. Is it possible that S. agalactiae can have such result? Do you have any references that will support such results? Please help me.
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