This can be read in a sitting, so please read it!

"We do not exploit animals because we deem them to be inferior, rather, we deem animals to be inferior because we exploit them."

-Marco Maurizi

And some more reading:

• https://weeklyworker.co.uk/worker/994/animal-liberation-and-marxism

• http://www.assoziation-daemmerung.de/social-theory-ideology-critique-and-class-struggle

• https://asinusnovus.net/2013/01/17/critical-theory-and-animal-liberation-a-review

I also found an interview about the 18 Theses here (use your browser or something to translate):

http://yenie.net/marksizm-ve-hayvan-ozgurlesmesi-birlik-hayvan-ozgurlesmesi-sorunu-marksizm-geleneginde-mevcut

And this cool article discussing and building on the Theses:

http://yenie.net/hayvan-ozgurlesmesi-ve-marksizm

One thing I like about this article is how affirming it is about the contributions of other leftist tendencies towards developing animal liberation theory, in a way acting as stepping stones towards its realization in a Marxist theoretical framework. It also has a cool discussion about the place of ethics in scientific Marxism. I won't quote all of it, but here's a tiny bit:

The contradictions we face or witness in life push us to take an ethical position, and then - if it happens - this attitude embraces a scientific method. Che gives the best answer to those who think that ethics has no place in Marxism: "The revolutionary is the one who feels the slap of another person on his face."