They do but the reason for #gainoffunction research is the #factoryfarm and #virginmining.

The Drava flows through my veins: we are fighting to save the Amazon of Europe from factory farms
->Greenpeace | More on "Drava River conservation and factory farms" at BigEarthData.ai | #FactoryFarm

Food & Water Watch Sues Trump EPA Over Stonewalling on Factory Farm Water Pollution Committee Records
->Food & Water Watch | More on "Factory farm water pollution regulation" at BigEarthData.ai | #Pollution #Water #EPA #FactoryFarm #Food

The deli counter makes it easy to forget who was there before the packaging. Look past the label.
#animalrights #factoryfarm

Iowa Has a Staggering 11,000 Factory Farms and Their Manure Is Fueling a Growing Water Crisis
->ZME Science | More on "Iowa's agricultural water pollution crisis" at BigEarthData.ai | #FactoryFarm #WaterCrisis

Sentient Media Mapped Every Factory Farm in Iowa and We're Releasing the Data for Free
->Sentient Media | More on "Iowa factory farms mapped data" at BigEarthData.ai | #Data #FactoryFarm

We Mapped All 11,000 Factory Farms in Iowa. Here Are Five Things We Learned.
->Sentient Media | More on "Iowa factory farms water pollution" at BigEarthData.ai | #FactoryFarm

How and Why Sentient Media Mapped Factory Farms in Iowa
->Sentient Media | More on "Factory farming's environmental water crisis" at BigEarthData.ai | #FactoryFarm

Animal Rising Publishes #FactoryFarm Footage in UK Legal Push

#StopAnimalCruelty

veganfta.com/articles/202...

Feed crops do require massive fertilizer and transport yes, mostly the fertilizer costs would rule out animal age on the #factoryFarm scale by pricing feed out of competition with better vegan diet options.

Grassfed and other foraging animals could continue a while on small farms, #SlowFood style.