re: I hate snakes (bit 2 of my dogs) update - vengeance

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That juvenile massive venom dose is a myth

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Yup.

If you get a hot bite, it's better to come from a juvenile because their venom glands are smaller.

If they decide to use it, snakes don't moderate venom use. It's like cops and guns. They don't shoot unless they're ready to kill, and if that's the case, they empty the mag. Adult snakes know that their venom isn't likely to kill a human fast enough to be useful defense, so they're believed to be less inclined to use it and just issue a dry 'warning' bite. But if it does envenomate, it's using as much as it can.

The myth likely stems from juveniles being more inclined to use venom at all, thus dry bites are more common from adults and seemingly 'less potent'.