Table 3. Inhibition zones of Mao residue extracts against Aero­monas hydrophila and Streptococcus agalactiae

Extraction solvent	Inhibition zone (mm)
	A. hydrophila (gram-negative)	S. agalactiae (gram-positive)
Ampicillin (10 µg)	17.01 ± 0.91	21.88 ± 1.09
Distilled water	15.84 ± 0.81a	15.51 ± 0.42a
50% ethanol	17.34 ± 0.35b	18.39 ± 0.63b
95% ethanol	19.07 ± 0.48c	18.91 ± 0.98b

Note: Values are present as mean ± S.D (n = 9).
Different superscript letters within a column indicate significant differences (p < 0.05).