The behavioural cue of ‘flexible self-protection’ is a way to establish whether an animal feels pain, scientists say

Crickets that received the hot probe “overwhelmingly” directed their attention to the affected antenna – they groomed it more frequently, and tended to it over a longer period of time, he says. “They weren’t just agitated and flustered. They were directing their attention to the actual antennae that was hit with this hot probe.”

Link to the paper

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[–] teslekova@sh.itjust.works 6 points 1 week ago

We could modify what's in the spray to reduce the pain while the bugs die. Animal welfare is still quite relevant when you have to kill them.