There are many general types of bacteria used as probiotics (two common ones are Lactobacillus and Bifidobacterium), and many different species as well as strains within species. They have different physiological effectsâand thus possibly different health benefits (as well as possible risks). Some yeasts, such as Saccharmyces, can also act as probiotics. Probiotic products may contain a single strain or many strains, and the number of organisms in a daily dose can range from 1 billion to more than 250 billion.
wikiHow to Change Transmission Fluid. Transmission fluid needs to be changed from time to time in order to extend the life of the transmission, usually every 30,000â60,000 miles (48,000â97,000 km) (sometimes more â check your owner's manual for service intervals).
Transmission fluid pump This pump is the key to saving you time and money when you change transmission fluid. You should change your automatic transmission fluid according to the manufacturerâs recommendationâ whether thatâs 30,000 or 100,000 miles.