You just demonstrated my point for me,entirely. You are unable to take into account, the pain of animals, because of some bullshit excuse you give yourself about self-awareness, and the justification you receive from the bible. Here's the bullshit: First of all, you can't positively know the phenomenological experience of animals, despite self-awareness tests we may have done. Most farm animals are very social creatures, with rights to life just as much as the dogs or cats we bring into our home (in the Western World- I realize China eats dogs). Pigs are smarter than dogs, yet we love dogs and subject pigs to institutional torture and death? Cows are also very social animals too, that want to live.
Really though, intelligence has nothing to do with pain detection. It is an entirely different system in the brain. You are using Descartes argument or William Lane Craig's argument, where he says the animal isn't able to feel pain because it isn't self-aware. This is impossible to establish as a fact, because despite any tests we do, we will never know their subjective experience of the world and of themselves. The only thing that is important, is whether they can feel pain. This is demonstrably, yes. Also, animals have interests of their own, and we completely ignore them for our own. This is selfish, and narcissistic, and what's worse are the bullshit justifications such the ones you just provided.
Unborn babies certainly are not self-aware, so any argument that supports your justification for eating animals could also be applied to babies before they are around 2 years old, when they become self-aware. Your position is based on speciesism, plain and simple. It is special pleading that babies be taken into our moral account, even though most farm animals are smarter than babies and more self-aware. Obviously, I am not advocating we start eating babies, but any argument you try to provide that shows preference for the interests of human babies over adult animals is special pleading. You have no justification to do so, other than the "might makes right" fallacy (appeal to Ad Baculum: appeal to force).