Table 2.

Recovery of enrofloxacin spiked in samples determined by mAb 2D3 and Nb22 based ic-ELISAs.

Sample	Spiked (μg/kg)	mAb 2D3		CV	Spiked (μg/kg)	Nb22		CV
		Detected (μg/kg)	Recovery (%)			Detected (μg/kg)	Recovery (%)
Milk	0	ND	ND	/	0	ND	ND	/
	1	0.77 ± 0.05	77.7	6.49	50	49.1 ± 1.2	98.1	2.44
	4	3.49 ± 0.12	87.3	3.44	150	155 ± 4.3	106	2.77
	20	16.9 ± 0.54	84.7	3.20	500	528 ± 14	103	2.65
Milk powder	0	ND	ND	/	0	ND	ND	/
	1	0.97 ± 0.08	97.0	8.25	50	54.2 ± 2.7	108	4.98
	4	4.12 ± 0.24	103	5.83	150	148 ± 5.6	98.7	3.78
	20	21.5 ± 2.2	107	10.2	500	432 ± 12	86.4	2.78
Egg	0	ND	ND	/	0	ND	ND	/
	1	0.85 ± 0.06	85.0	7.06	50	58.2 ± 1.4	116	2.41
	4	4.79 ± 0.17	119	3.55	150	164 ± 3.2	109	1.95
	20	19.5 ± 1.2	97.7	6.15	500	441 ± 13	88.2	2.72
Fish	0	ND	ND	/	0	ND	ND	/
	1	0.93 ± 0.03	93.7	3.23	50	55.3 ± 2.1	110	3.80
	4	3.85 ± 0.19	96.3	4.94	150	146 ± 2.9	97.3	1.98
	20	20.8 ± 1.4	104	6.73	500	514 ± 10	103	1.95