Probiotics for Aquaculture - Use of Thiobacillus ferrooxides

How to identify?
Under microscope, you can compare with the figure given below.

Are they Aerobic or Anaerobic?
They are Strictly aerobic

Are they Gram negative or Gram Positive ?
They Are Gram-negative.
 

How Are they Shaped?
They are Rod shaped. 

What is the normal size of the cell?
Cells are 0.3 - 3 microns in size.

Do they form spores?
They are Non-spore forming type

What is the ambient temperature?
Can achieve best growth at 25-35 degree C 

What is the ambient pH?
Grow best at a pH of 1.5 to 5

At What level we have to use T ferroxidans in aqua culture?
To be used when Iron levels are high, 

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