เพราะฉะนั้นจึง
Probiotics are the bacteria that has beneficial to the gastrointestinal tract of animals, by enhance the absorption of food . Most probiotics are bacteria produce lactic acid. Such as Lactobacillus sp. Bacillus sp. Streptococcus sp. etc. Although probiotics have many advantages. But it also has some disadvantages that unpredictable results. The strain of bacteria that use different, the result was different. Microorganisms are specific with different types of animals. Therefore study the details and features of bacteria used as biological supplements. Probiotics are commonly used on animals are weaned. Probiotics should stimulants during the changing environment or migration.