this post was submitted on 04 Aug 2023
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[Answered] Why is the consumption of Meat considered bad (lemmy.world)
submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]
230 comments fedilink hide all child comments
 

I heard something to do with Nitrogen and …cow farts(?) I am really unsure of this and would like to learn more.

Answer -

4 Parts

  • Ethical reason for consuming animals
  • Methane produced by cows are a harmful greenhouse gas which is contributing to our current climate crisis
  • Health Reasons - there is convincing evidence that processed meats cause cancer
  • it takes a lot more calories of plant food to produce the calories we would consume from the meat.

Details about the answers are in the comments

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[–] [email protected] 0 points 1 year ago (1 children)

Although some of the crop is used directly, more than 80 percent of the crop is processed into soybean meal and oil through crushing.

[–] [email protected] 1 points 1 year ago* (last edited 1 year ago) (2 children)

Thank you for quoting the relevant part.

But I think you are interpreting this wrong. This doesn't say that 80% of soybeans are pressed into oil at all. It says that 80% are processed into soybean meal (which gets fed to animals) and oil (which are mostly for human consumption). And with the data from ourworldindata it means that around 80%-13.2%=66.8% (very roughly) of soybeans are processed into soybean meals which is also very similar to the data ourworldindata provides:

The majority (77%) of the world’s soy is fed to livestock for meat and dairy production. 7% is fed directly to animals as soybeans, but the remainder is first processed into soybean ‘cake’.{ref}Soybean cake (sometimes referred to as soybean meal) is a high-protein feed made from the pressurisation, heat-treatment and extraction processing of soybeans. The oil is extracted from the soybeans to leave a protein-rich product.

Emphasize mine.

[–] [email protected] 1 points 1 year ago (1 children)

oh I see where you made a mistake. you didn't account for the 4% at the bottom of the chart. and you don't seem to understand that soy meal is the by-product of pressing soybeans for oil. That's soybean is only about 20% oil. In order for 17% of all end uses of soybeans to be oil about 85% of all soybeans must be pressed for oil The byproduct of that process produces soy meal that soy meal makes up about 69% of the weight of the entire soybean crop. that by-product is what is fed to animals.

[–] [email protected] 1 points 1 year ago* (last edited 1 year ago) (2 children)

How do you come to this conclusion? The data on ourworldindata is showing "the allocation of global soy production to its end uses by weight". Which means the "Oil (13.2%)" is the percentage of the total weight of the global soy production that is processed into oil.

you didn’t account for the 4% at the bottom of the chart.

Of what chart?

[–] [email protected] 1 points 1 year ago (1 children)

the ourworldindata chart has another 4% of oil at the bottom. and i couldn't have laid the math out any more clearly, so if you want to believe something that's not true, go for it.

[–] [email protected] 1 points 1 year ago* (last edited 1 year ago) (2 children)

I have seen your math but your math doesn't make any sense since you are doing your math on the wrong assumptions. You assume that the ourworldindata chart shows that at the end 17% of the weight of the global soy productions ends up as oil but that's not what this chart is showing.

What it's actually showing is that for example if we produced 100kg of soy globally 13.2kg of of that produced soy is used to make oil. Which means that the actual weight of the oil is 2.64kg in this example (assuming it is correct that soybeans are 20% oil, and we extract it perfectly)

the ourworldindata chart has another 4% of oil at the bottom.

Are you talking about the Industry percentage? That's not oil. But even so your math is still wrong as I've demonstrated in my example above.

[–] [email protected] 1 points 1 year ago
  • approximate percent of soybean that is oil = 20.00
  • percent of soy fed directly to animals = 7.00
  • percent of soy fed to dairy = 1.4
  • percent of soy fed to beef = 0.5
  • percent of soy fed to pets = 0.5
  • percent of soy fed to aquaculture = 5.6
  • percent of soy fed to pig = 20.2
  • percent of soy fed to poultry = 37.0
  • percent of soy that becomes human food = 20.00
  • percent of soy that becomes oil for food = 13.2
  • percent of soy that becomes soy milk = 2.1
  • percent of soy that becomes tofu = 2.6
  • percent of soy that becomes tempeh etc = 2.2
  • percent of soy that is fed to animals = 76.0
  • percent of soy that is used industrially = 4.00
  • percent of soy that becomes biodiesel = 2.8
  • percent of soy that becomes lubricants = .03
  • percent of soy that has other industrial uses = .07
  • percent of soy not fed directly to animals = 93.00
  • if all soy not fed directly to livestock were pressed for oil = (approximate percent of soybean that is oil / 100) * percent of soy not fed directly to animals
  • soy eaten not as oil = percent of soy that becomes soy milk + percent of soy that becomes tofu + percent of soy that becomes tempeh etc
  • if all soy not eaten directly by livestock and not as non-oil food is pressed for oil = (percent of soy not fed directly to animals - soy eaten not as oil) * approximate percent of soybean that is oil / 100

If we take 7% of all soy out because it's fed directly to animals, and another 6.9% is eaten, but not as oil, and 20% of each of the remaining beans are made of oil, we find 17.22% is the maximum amount of oil we could get if all the soy beans not fed to animals or eaten by people are pressed for oil.

It turns out that the chart shows 13.2% is oil for humans to eat, and 4.0% is used industrially (and these are all oil uses), totaling 17.2%,then basically all soy not eaten directly by animals or as various human foods is pressed for oil.

source https://ourworldindata.org/uploads/2021/02/Global-soy-production-to-end-use.png

[–] [email protected] 1 points 1 year ago

what kind of lubricant can you get out of a soybean that isn't soybean oil? you don't seem to want to believe the truth when it's been explained as clearly as its possible.

[–] [email protected] 1 points 1 year ago

soybean meal is the byproduct of pressing soybeans for oil. you can't press soybeans for oil without getting the byproduct.