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.
-The cow is rebred about 3 months into her lactation. - After a 10 month lactation period, the cow is kept dry for a period of about 2 months (such cows are referred to as dry cows. This gives her time to recuperate from lactation and build up her nutritional reserves in preparation for delivery of the next calf.