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Peter Singer's avatar

A great post, Lewis! When looking at the vast quantity of farmed animal suffering, it's all too easy to get depressed, so it's very important to look at the real progress that is being made.

I do have one suggestion, though, relating to the progress in moving from cages to aviaries for egg-laying hens. Your statistics about the percentage of hens still in cages don't differentiate between the much larger, furnished cages that have been required by law for more than a decade in the entire European Union and the UK, and the conventional battery cages that are the dominant form of cage in the US and many other countries. As the Welfare Footprint Project study that you cite shows, it is much more important to get hens out of cages in countries that still permit conventional battery cages than it is to do so in countries that require caged hens to be in furninshed cages. In fact, that study shows that the shift from furnished cages to aviary actually slightly increases the amount of time that hens are experiencing the most severe level of pain - excruciating pain - and makes no difference to the amount of time that hens are in disabling pain, the second most severe level. The advantages of the aviary system are clearcut in the other, less severe levels of pain - hurtful and annoying pain - but of course it is a matter of judgment whether a large reduction in these lower levels of pain and a small increase in the higher levels of pain makes for a better or a worse life for hens.

I suggest that this means that it is more effective to put resources into ending cages in countries like the US and China, where all or virtually all caged hens are in conventional battery cages, than into ending cages for laying hens in Europe.

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Jane MacArthur's avatar

Thank you for this - from someone easily overwhelmed by the sheer scale of animal abuse that passes for food

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