It is ethical for us to eat meat as we are secondary consumers
It is only natural fork us to eat meat as we are 'secondary consumers'.
In the past we have seen how many non-profits or governmental institutions use farms in order to protect endangered species by ensuring they feed and breed.
The most populous species of animals on the earth are animals that we eat. This is because they have economic value to humans and so we make sure these animals are farmed, in this way they can be sustainably maintained and bred. Other than squirrels, bats, mice, rats and humans, the most populous mammals in the world are cows, sheep and pigs.
A life as a farmed animal destined to the slaughterhouse at a young age is not worth it. There is little point in keeping a species alive if they do not live life as they mean to. Them just being alive is therefore not an excuse enough to eat meat.
[P1] By farming animals, we ensure they continually reproduce and therefore their species' survival.
[Rejecting P1] Their survival is not important if we are ensuring they are doomed to a horrible life.