In my science experiment I am using a probiotic supplement of Lactobacillus Acidophilus to tests it against an antibacterial agent. Since the supplement will be in the form of a pill I want to culture it in a nutrient broth so that I can then streak the bacteria on nutrient agar plates. Basically, I would like the bacteria to be in a test tube where I can easily use a sterile swab to streak it on my media plate. My question is: what procedure should I follow to make a culture of this bacteria that I can streak onto my nutrient-agar media plates?

Please help.

I did not find the right solution from the internet.

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Thanks