this post was submitted on 18 Mar 2025
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They require meat proteins to live, plain and simple.
It's even law in some countries that classifies feeding cats a purely vegan diet is animal cruelty.
And of course law is always, strictly based of the latest available science.
Proteins are chains of amino acids. There are probably proteins specific to animal muscle, but misguided legislation notwithstanding it's the amino acids that are nutritionally required, not any specific protein configuration of those animos, and you can get those from a massive array of non-animal sources.
well, there's also stuff like Taurine, so make sure you give your vegan cat some red bull from time to time
My cat and I both have a diet of just redbull and edamame.
Ah, well I guess today many of us are learning more details.
taurine and arginine, to be more precise.
Taurine and arginine are amino acids, building blocks for proteins, not proteins themselves. Animo acids are quite ubiquitous across life, not specific to any one type of life. eg Plants contain both taurine and arginine.
thanks for the additional information
i remember reading that plants can't supply enough taurin. Luckily it seems easy to synthesize (that's how we have redbull &c