The product is aged for several months to ferment, it may cause the nutrients of Lactobacillus spp., all death and infection in the range phase, thus making detected only a few product samples.
Fermentation products last several months Thus, the nutrient Lactobacillus spp. Worn away and the infection is detected during the death phase, making just a few samples.
Products of fermentation for several months, it may make the nutrients of Lactobacillus spp. Gone, and infections in the death phase thus detected a few sample products.