Humans have generally used consciousness, the level of intelligence and companionship to gauge how much of sympathy an organism gets from humanity. This is used

Humans have generally used consciousness, the level of intelligence and companionship to gauge how much of sympathy an organism gets from humanity. This is used to determine which abortion is okay, why it is not okay to kill and eat dogs while other animals are, and why humans are considered above other organisms. If we are to be consistent here, would not it follow that experiment on monkeys deserve more scrutiny over the experiments on monkeys who are demonstrably more closer to us while also having higher level of intelligence than pigs?