> The venom is needed to produce the antivenom.. The venom is taken from the spiders by delicately stroking their fangs and collecting the tiny droplets of the

> The venom is needed to produce the antivenom.. The venom is taken from the spiders by delicately stroking their fangs and collecting the tiny droplets of the deadly venom. One dose of antivenom requires around 70 milkings from a spider. > Funnel web spider antivenom is prepared from the plasma of rabbits immunized with the venom of the male funnel web spider (Atrax robustus). Each vial of the product contains 125 units of antivenom which has been standardized to neutralize 1.25 mg of funnel web spider venom. The product also contains glycine and other rabbit plasma proteins. o.O