The gold standard for detection of Streptococcus equi, often abbreviated as S. equi, is bacterial isolation. However, the medium used is not chocolate agar but rather a selective medium such as Columbia CNA blood agar.

Here's a step-by-step breakdown:

1. Sample Collection: The first step in detecting S. equi is to collect a sample. This is typically done by swabbing the nasopharynx or by aspirating pus from abscesses.

2. Plating on Selective Medium: The sample is then plated on a selective medium, such as Columbia CNA blood agar, which encourages the growth of gram-positive bacteria like S. equi and inhibits the growth of gram-negative bacteria.

3. Incubation: The plate is incubated at a suitable temperature (usually 37 degrees Celsius) for 24-48 hours to allow the bacteria to grow.

4. Identification: After incubation, the colonies of bacteria are identified based on their morphology, hemolytic properties, and other biochemical tests.

5. Confirmation: The identification of S. equi can be confirmed by further tests such as PCR or serological tests.

So, the correct answer to your question would be "Columbia CNA blood agar".

Question

The gold standard for detection of Streptococcus equi, often abbreviated as S. equi, is bacterial isolation. However, the medium used is not chocolate agar but rather a selective medium such as Columbia CNA blood agar.

Here's a step-by-step breakdown:

1. Sample Collection: The first step in detecting S. equi is to collect a sample. This is typically done by swabbing the nasopharynx or by aspirating pus from abscesses.

2. Plating on Selective Medium: The sample is then plated on a selective medium, such as Columbia CNA blood agar, which encourages the growth of gram-positive bacteria like S. equi and inhibits the growth of gram-negative bacteria.

3. Incubation: The plate is incubated at a suitable temperature (usually 37 degrees Celsius) for 24-48 hours to allow the bacteria to grow.

4. Identification: After incubation, the colonies of bacteria are identified based on their morphology, hemolytic properties, and other biochemical tests.

5. Confirmation: The identification of S. equi can be confirmed by further tests such as PCR or serological tests.

So, the correct answer to your question would be "Columbia CNA blood agar".

Knowee AI · Accepted Answer

The gold standard for detection of Streptococcus equi, often abbreviated as S. equi, is bacterial isolation. However, the medium used is not chocolate agar but rather a selective medium such as Columbia CNA blood agar.

Here's a step-by-step breakdown:

1. Sample Collection: The first step in detecting S. equi is to collect a sample. This is typically done by swabbing the nasopharynx or by aspirating pus from abscesses.

2. Plating on Selective Medium: The sample is then plated on a selective medium, such as Columbia CNA blood agar, which encourages the growth of gram-positive bacteria like S. equi and inhibits the growth of gram-negative bacteria.

3. Incubation: The plate is incubated at a suitable temperature (usually 37 degrees Celsius) for 24-48 hours to allow the bacteria to grow.

4. Identification: After incubation, the colonies of bacteria are identified based on their morphology, hemolytic properties, and other biochemical tests.

5. Confirmation: The identification of S. equi can be confirmed by further tests such as PCR or serological tests.

So, the correct answer to your question would be "Columbia CNA blood agar".

Gold standard for detection of S equi*1 pointColumbia CNA blood agarDirect SmearBacterial isolation with chocolate agarH & E stainNone of the above

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