Segmentation by type classifies the bacterial cultures themselves, a critical factor in market valuation. The primary type categories include Lactobacillus spp., Bifidobacterium spp., Streptococcus thermophilus, and Lactococcus lactis, each offering distinct metabolic pathways that affect acidity, flavor development, and probiotic efficacy. Within these, sub‑types are further differentiated by strain specificity, formulation format (freeze‑dry, liquid, or immobilized), and blend composition (single‑strain versus multi‑strain consortia). For instance, freeze‑dry cultures command higher price points due to extended shelf life, while liquid cultures are preferred for continuous fermentation processes. Multi‑strain blends, increasingly adopted in functional dairy, generate premium revenue streams by enabling synergistic health benefits and complex flavor profiles. The relative market share of each type aligns with application demand: Lactobacillus dominates yogurt, Streptococcus thermophilus is pivotal in cheese, and Bifidobacterium sees growth in probiotic beverages, collectively underpinning the overall market size.