Table 1.

Serum venom concentration of N. nigricollis using sandwich ELISA.

Time (hours)	0.5	1	2	4	8	16	32
Conc (ng/ml)	1364 ± 167	1448 ± 180	1253 ± 230	1134 ± 75	1105 ± 215	1813 ± 175	614 ± 22

Time = time of measurement post administration, Con. = concentration of serum venom, ng/ml = nanogram per millimeter ± standard error of mean, rabbit weight (n = 3), 2.2–2.3 kg, Dose of venom injected = 0.5 mg/kg (intramuscular).