2 is similar to my reply above about ‘right to reproduce’. Sounds like you mean the right not to go extinct (re which arguments for biodiversity would also apply); though it’s not likely that cows & chickens would actually go extinct if meat production were banned.
1. A living animal has a right to life.
2. A living species has a right to life. This isn’t the same thing as ‘all possible lives need to be brought into existence’.
2 is similar to my reply above about ‘right to reproduce’. Sounds like you mean the right not to go extinct (re which arguments for biodiversity would also apply); though it’s not likely that cows & chickens would actually go extinct if meat production were banned.