Glucose salt teepol broth and TCBS are used for detection of ......... pathogen.
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Remember: Vibrio species are halophilic, meaning they require salt (\(\text{Cl}\)) for growth.
GSTB contains \(3\%\) \(\text{Cl}\), which is highly selective for marine pathogens like Vibrio parahaemolyticus over terrestrial pathogens.