Table 1. Antimicrobial spectrum of the isolated L. kunkeei strains on pathogenic bacteria isolated from guts of illness A. cerana honeybee in Vietnam, including E. coli, Klebsiella spp., E. faecalis, P. aeruginosa and S. aureus.

Test strains	L. kunkeei strains
	LK-VN01	LK-VN02	LK-VN03	LK-VN04	LK-VN05	LK-VN06	LK-VN07
E. coli AC1	+	+	+	+	+	–	+
E. coli AC2	+	+	+	+	+	–	+
K. pneumonia	+	+	+	+	+	–	+
K. varicola	++	++	++	++	++	–	++
K. oxytoca	+++	+++	+++	+++	+++	+	+++
P. aeruginosa	+	+	+	+	+	–	+
E. facialis	+++	+++	+++	++	+++	–	+++
S. aureus	++	++	++	++	++	–	++

Notes.

^*Clear zone around well, +: 1–3 mm, ++: 3–5 mm, +++: >5 mm, -: no inhibition zone was detected.