54 lines
2.0 KiB
Plaintext
54 lines
2.0 KiB
Plaintext
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// Fish (salmon)
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value_happy_salmon_year_in_human_qalys = 0.001 to 0.01
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value_tortured_salmon_year_in_human_qalys = -(0.002 to 0.02)
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value_farmed_salmon_year_in_human_qalys = -0.02 to 0.01
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// ^ purely subjective estimates
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lifetime_salmon = 2 to 3
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// https://thehumaneleague.org.uk/article/how-long-do-salmon-live
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weight_salmon = 3.5 to 5 // kilograms
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// ^ https://www.wildcoastsalmon.com/salmonlifecycle
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calories_per_kilogram_of_salmon_meat = 1700 to 2100
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calories_salmon = weight_salmon * calories_per_kilogram_of_salmon_meat
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// ^ see <https://www.quora.com/How-many-calories-are-in-1kg-of-salmon>
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salmon_estimates = {
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name: "salmon",
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value_year_in_human_qalys: value_farmed_salmon_year_in_human_qalys,
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weight: weight_salmon,
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calories: calories_salmon,
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lifetime: lifetime_salmon
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}
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/* Fish Welfare Initiative
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Sources:
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- https://www.fishwelfareinitiative.org/
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- https://forum.effectivealtruism.org/posts/T5fSphiK6sQ6hyptX/opinion-estimating-invertebrate-sentience#Peter_Hurford
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- https://forum.effectivealtruism.org/posts/Qk3hd6PrFManj8K6o/rethink-priorities-welfare-range-estimates
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- https://nunosempere.com/blog/2023/02/19/bayesian-adjustment-to-rethink-priorities-welfare-range-estimates/
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Key simplification: assume that all fish are salmon. This is inaccurate, because salmon is a very particular & expensive species of fish. But I think it's ok to start with. Later I could easily add different species.
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*/
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fish_potentially_helped = 1M to 2M
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shrimp_potentially_helped = 1M to 2M
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improvement_as_proportion_of_lifetime = 0.05 to 0.5
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value_fwi_fish =
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fish_potentially_helped *
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improvement_as_proportion_of_lifetime *
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(value_happy_salmon_year_in_human_qalys / salmon_estimates.lifetime)
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value_of_shrimp_in_fish = (0.3 to 1)
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// ^ very uncertain, subjective
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value_fwi_shrimp =
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shrimp_potentially_helped *
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improvement_as_proportion_of_lifetime *
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(value_happy_salmon_year_in_human_qalys / salmon_estimates.lifetime) *
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value_of_shrimp_in_fish
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value_fwi_so_far = value_fwi_fish + value_fwi_shrimp
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