Two ways that bacteria are helpful is that bacteria is used in the production of some foods such as cheese, pickles, butter, yogurt, sour cream, and chocolate. Without bacteri â¦ a, pizza would not be possible. Another way bacteria helps is by humans obtaining many health benefits from the action of bacteria.
Warnings. 1  Do not stimulate your breasts for longer than the necessary 20 minutes at a time. 2  Lactation hormones are only released into your system for a maximum of 20 minutes, so anything in excess is unnecessary and likely to cause irritation.
Conclusions 1  : There is an optimum length of dry period. 2  A dry period shorter than 40 days will decrease subsequent production (also long dry periods over 70 or 80 days will result in lowered production in the next lactation).