Efficacy of an Oral Solution Prepared from the Ultrasonic Extract of Radix dichroae roots against Eimeria tenella in Broiler Chickens

Table 2

Effects of UERD oral solution on oocyst output, lesion score, and anticoccidial activity in broiler chickens against E. tenella (Guangdong strain) (n = 10).

Groups	Initial body weight (g)	Final body weight (g)	BWG (g)	BWG rate (%)	rBWG (%)	Survival rate (%)	Mean lesion score	Lesion score	OPG (×10^6)	Oocyst value	Anticoccidial index (ACI)
Drug level (v/v,%)
Group HC; nontreated and noninfected; Healthy control (HC)	247.9 ± 16.8^a	366.7 ± 24.0^b	118.8 ± 12.4^b	48.0	100	100	0	0	0	0	200
Group IC nontreated and infected; Infected control (IC)	239.6 ± 22.6^a	319.4 ± 15.9^a	78.6 ± 8.0^a	32.9	68.5	70	3.85 ± 0.21^a	38.5	6.79	20	80.0
Group DC; 0.10% toltrazuril; Positive drug control (DC)	244.9 ± 23.1^a	347.3 ± 18.9^b	98.0 ± 8.8^b	39.6	82.5	90	3.55 ± 0.46^a	35.5	3.11	10	127.0
Group A; 0.25% UERD oral solution	256.4 ± 24.3^a	316.3 ± 29.5^a	64.3 ± 11.1^a	25.5	53.1	90	3.40 ± 045^a	34.0	5.22	10	99.1
Group B; 0.50% UERD oral solution	251.3 ± 19.7^a	355.9 ± 34.2^b	104.6 ± 19.9^b	41.6	86.7	100	3.30 ± 0.38^a	33.0	4.30	10	143.7
Group C; 1.50% UERD oral solution	255.7 ± 24.6^a	371.2 ± 26.5^b	115.5 ± 9.22^b	45.6	95.0	100	3.40 ± 0.36^a	34.0	4.44	10	151.0
Group D; 2.50% UERD oral solution	247.8 ± 20.2^a	352.3 ± 40.2^b	104.5 ± 21.6^b	41.9	87.3	100	3.30 ± 0.49^a	33.0	4.80	10	144.3
Group E; 3.50% UERD oral solution	248.7 ± 18.8^a	339.4 ± 31.0^a	94.3 ± 19.9^b	38.4	80.0	90	3.20 ± 0.45^a	32.0	6.11	20	118.0
Group F; 5.00% UERD oral solution	252.9 ± 17.5^a	336.2 ± 25.2^a	85.7 ± 14.8^a	33.9	70.6	90	2.95 ± 1.20^a	29.5	8.11	20	111.1

^a-bMeans ± SD; means with different superscripts in the same column differ significantly (). BWG: body weight gain; rBWG: relative body weight gain; OPG: oocysts per gram; UERD: ultrasonic extract of Radix dichroae