Table 1.

Estimate of l-lactate producers vs. a l-lactate utilizer

Strains	RhAa3, no. of OTUs			RhAa-ltxP530, no. of OTUs
	Week 1	Week 2	Week 4	Week 1	Week 2	Week 4
l-lactate producers a*	6,568	3,313	3,210	4,476	3,788	4,506
Streptococci b	4,560	22,167	16,650	7,386	12,052	10,022
l-lactate producers (P)**	11,128	25,480	19,860	11,862	15,840	14,528
Veillonella (U)	3,722	13,690	1,037	2,402	3,388	422
P/U ratio	3.0	1.9	19.2	4.9	4.7	34.4

P, producer; U, utilizer.

^*l-lactate producers include Abiotrophia, Lactobacillus, and Leptotrichia.

^**Total lactate producers include a and b.