Table 1.

The percentage of prey species to lose their righting reflex after intraperitoneal injection of crude snake venom for 2.5, 5 and 10 min.

Prey Species	Crude Venom	Percentage to Lose Righting Reflex (%)
	(2 mg/kg)	2.5 min	5 min	10 min
Pheasant chicks	P. mucrosquamatus	5%	30%	75%
(P. colchicus)	T. stejnegeri	10%	40%	90%
N = 20 per group	N.atra	5%	40%	85%
Adult mice	P. mucrosquamatus	30%	70%	100%
(M. musculus)	T. stejnegeri	40%	85%	100%
N = 20 per group	N. atra	35%	80%	100%