Insect farming is growing rapidly as a sustainable protein source. The moral status of insects and their welfare needs are subjects of active scientific debate with significant practical implications.
Insect welfare occupies a genuinely uncertain moral space, making it one of the most philosophically challenging areas of animal welfare. The sheer numbers of farmed insects, combined with genuine uncertainty about their capacity for suffering, creates a situation where even small probabilities of negative experience multiplied by enormous numbers represent potentially significant moral concern. A precautionary approach to insect welfare under uncertainty involves taking low-cost measures that reduce potential suffering without waiting for scientific certainty that may never arrive. This includes developing and implementing stunning protocols before slaughter, maintaining appropriate density and temperature conditions during farming, and conducting research to better characterise the neural basis of potential insect experience. The rapid growth of the sector makes establishing welfare frameworks now more tractable than retrofitting them later.