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PM_ME_SPICY_DECKS t1_itmuh51 wrote

Reply to comment by After_Kick_4543 in Lab-grown meat could let humanity ignore a serious moral failing by phileconomicus

The animals still make manure if you don't kill them.

In fact you receive a constant supply of manure from live animals.

A lot of fertilizer use can also be avoided by no longer practicing monoculture, and cultivating many types of plants that have symbiotic relationships.

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SuperSirVexSmasher t1_itppwqa wrote

If a cow was simply grazing a field a leaving dung piles then there would be a net loss of resources, no? They're just eating the grass, stealing half of it's nutrients and pooping half of it back. You need to kill the cow to get 100% again, right?

I'm just curious

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After_Kick_4543 t1_itmuy4j wrote

But then I can preform a calculation based on the amount of manure they will produce plus the nutritional yields I will get from using it as fertilizer versus the nutrition received by just eating it as meat. Avoided also doesn’t mean gotten rid of, and as long as we need fertilizer it’ll be better for the environment to get it from cows and pigs then a factory, at which point the previous calculation I mentioned would come into effect in deciding when killing the animal for food would be efficient for us and the environment.

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