Genetic diversity and drug sensitivity studies on Eimeria tenella field isolates from Hubei Province of China

Parasites & Vectors

Table 3 The drug susceptibility of E. tenella field isolates

Groups	Field isolates	Weight gain (g)	Weight gain of NNC^g (%)	Survival rate (%)	Lesion score	OPG (10⁵)	Anticoccidial index
1^a	North isolate^d	76	100	100	1.2	0.813	183
2^a	East isolate^e	77	101.3	100	1.0	0.658	186.3
3^a	South isolate^f	69	90.8	90	1.2	1.44	168.8
4^a	Middle isolate^g	77	101.3	100	1.1	0.792	185.3
5^b	North isolate^d	54	71.1	100	2.6	1.06	140.1
6^b	East isolate^e	66	86.8	100	0.6	0.598	175.8
7^b	South isolate^f	47	61.8	100	1.6	1.27	140.8
8^b	Middle isolate^g	62	81.6	70	3.2	1.3	129.6
9^c	North isolate^d	53	69.7	100	2.8	0.938	136.7
10^c	East isolate^e	55	73.3	100	2.1	0.957	147.3
11^c	South isolate^f	51	67.1	90	2.4	1.16	128.1
12^c	Middle isolate^g	50	65.8	90	3.1	1.25	119.8
13	North control	39	51.3	90	3.5	6.25	108.8
14	East control	63	82.9	80	3.4	5.98	123.5
15	South control	46	60.5	90	3.4	5.52	114.1
16	Middle control	44	57.9	80	3.3	5.66	98.6
17^h	NNC control	76	100	100	0	0	200

^aDiclazuril treatment groups
^bDecoquinate treatment groups
^cMaduramycin treatment groups
^dSuizhou isolate
^eHuanggang isolate
^fJingzhou isolate
^gTianmen isolate
^d-g isolates control: infected dose per chicken for 5 × 10⁴ sporulated oocysts, non-treatment control (groups, 13–16)
^hNNC control: non-infected, non-treatment control (group,17)

ISSN: 1756-3305