Is it okay to make yogurt in a yogurt maker by adding old yogurt and plain milk? No need to use bacteria powder
It is not advisable to use yogurt as a lead for making yogurt.1. Repeated use of bacteria will age, reduce vitality and lose probiotic efficacy.2. The ratio of strains is out of proportion, which does not ensure the growth of probiotics.3. Repeatedly using bacteria preserved for a long time will breed stray bacteria, and using yogurt with stray bacteria as a lead, the yogurt issued is not hygienic.