Cognitive development is Jean Piaget's theory. Through a series of stages, Piaget proposed four stages of cognitive development: the sensorimotor, preoperational, concrete operational and formal operational period.
The versatility of Bifidobacterium longum as a lactic acid microorganism is reflected in its capacity to resist under harsh conditions such as stomach acid, bile, pH fluctuations, and gastrointestinal passage.
1 Bifidobacterium animalis: a unique bacteria that promotes optimal health and protection within the digestive tract. 2  Lactobacillus acidophilus: guards the health of your pet's entire digestive tract. 3  Bifidobacterium longum: keeps your pet's digestive system running smoothly, and helps enhance their immune system.