abstract |
First, a bottle 30 is conveyed to a filling device 20 without being sterilized by a container sterilizer 13, and a culture medium is filled inside the bottle 30 by using the filling device 20. Then, the bottle 30 is capped with a cap 33 using a cap attachment device 16. Thereafter, whether or not bacteria survive or propagate in the culture medium in the bottle 30 is verified. |