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Not specifically, but pork goes off - something to do with the fat going rancid. It may be possible, but chicken / pork aren't traditional biltong raw material for a reason. Ostritch is though.

Don't do pork.
An incandescent light bulb (not energy saving or LED) at the bottom creates warm air that rises, giving the airflow you need without a fan. Just be sure to protect the bulb from...