Denkenberger🔸 comments on Is EA sleeping on making dogs and cats vegan?

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I just have info from AI:

Era	% Plant Calories	Notes
1920s (early kibble)	10–30%	Mostly horse meat + grains; Purina starts ~1926
1950s–1970s	40–60%	Corn/soy fillers rise for cost, extrusion tech
1980s–2000s	50–70%	Grain-heavy economy formulas dominant
2010s–2026	60–80%	52% of US pet foods use plant proteins by 2024; “grain-free” niche lowers some to 40%