If you care about those things, and if you consider those necessary to produce crops, then they are also 30-80% necessary to produce a corresponding amount of milk protein.
10-20% of cattle diets are soybeans, corn, or another industrial crop. 25-35% of their protein intake gets converted to milk protein.
Factor in the additional slave labor and worker exploitation involved in all of the other dairy ranching workflows, and it likely makes up the rest of the difference.
If you care about those things, and if you consider those necessary to produce crops, then they are also 30-80% necessary to produce a corresponding amount of milk protein.
10-20% of cattle diets are soybeans, corn, or another industrial crop. 25-35% of their protein intake gets converted to milk protein.
Factor in the additional slave labor and worker exploitation involved in all of the other dairy ranching workflows, and it likely makes up the rest of the difference.
Again, if you care about those things.