. 2017 Jun 28;8:1189. doi: 10.3389/fmicb.2017.01189

Table 3.

E. caudatum data (% of that of the control) in the presence of different antibiotics (mg/ml).

Cell counts	Incubation times (h)			SEM	Effects
	24	48	72		A	Time	*A^T**
Control	12080^a	19395^a	19999^a	1440
AMPICILLIN
0.1	0.83	0.47^ab	0.52^ab	0.12	<0.0001	<0.0001	0.0066
0.5	0.84	0.01^b	0.01^b	0.14
1	0.83	0.43^ab	0^b	0.13
2	0.85	0.63^a	0.47^ab	0.06
Contrast	–	Q^***	L^,Q^**
STREPTOMYCIN
0.1	0.82	1.03^a	1.11^a	0.07	<0.0001	0.257	0.0031
0.5	0.95	0.89^a	0.98a^b	0.03
1	0.69	0.55^b	0.76^b	0.05
2	0.88	0.49^b	0.42^c	0.08
Contrast	–	L^**,Q^	L^***
CARBENICILLIN
0.1	0.83	0.64^b	0.85^a	0.04	<0.0001	<0.0001	0.0004
0.5	0.87	0.45^b	0.43^b	0.07
1	0.93	0.56^b	0.44^b	0.08
2	0.78	0.49^b	0.28^b	0.08
Contrast	-	L^*,Q^*	L^*,Q^*
TETRACYCLINE
0.03	0.94	0.58^b	0.2^b	0.11	<0.0001	<0.0001	0.0001
0.05	0.87	0.49^bc	0.23^b	0.1
0.1	0.88	0.55^b	0.17^b	0.11
0.3	0.81	0.24^c	0.03^b	0.12
Contrast	-	L^*,Q^	L^*,Q^*
NEOMYCIN
0.1	0.85	0.75^b	0.96^a	0.04	<0.0001	<0.0001	0.0011
0.3	0.84	0.53^bc	0.51^b	0.06
0.6	0.76	0.51^c	0.37^b	0.06
1	0.74	0.42^c	0.33^b	0.07
Contrast	L^*	L^*,Q^*	L^*,Q^*
BACITRACIN
0.05	0.89^ab	0.72^ab	0.56^b	0.07	<0.0001	<0.0001	0.0514
0.1	0.93^ab	0.58^b	0.5^b	0.08
0.5	0.71^ab	0.54^b	0.4^b	0.05
1	0.49^b	0.07^c	0.01^c	0.08
Contrast	L^***	L^***	L^***
NORMOCIN™
0.05	0.89^ab	0.65^b	0.56^b	0.06	<0.0001	<0.0001	0.2012
0.1	0.69^ab	0.47^bc	0.57^b	0.04
0.3	0.69^ab	0.39^bc	0.31^c	0.07
0.5	0.5^b	0.18^c	0.1^c	0.08
Contrast	L^***	L^*,Q^	L^*,Q^
CHLORAMPHENICOL
0.005	0.82^a	0.11^b	0.08^b	0.13	<0.0001	<0.0001	<0.0001
0.01	0.76^ab	0^b	0^b	0.13
0.03	0.71^ab	0^b	0^b	0.12
0.05	0.39^b	0^b	0^b	0.07
Contrast	L^***	L^*,Q^*	L^*,Q^*

The final concentrations of antibiotics were in mg/ml. Different superscripts (a–c) in the same column denote significant difference (P < 0.05) in the proportion of protozoa cell counts between the control and each antibiotic treatment. Significance (

^***

, P ≤ 0.01;

^**

, P ≤ 0.05;

, P ≤ 0.10) of linear (L) and quadratic (Q) contrast are shown. Each value was the mean of three replicates. A, antibiotics; T, incubation time.