"They can increase efficiency by their ability to transform materials unsuitable for human consumption and by grazing areas hat would be difficult to harvest otherwise", says Grove. This sentence demonstrates that animals help us in our daily lives, therefore we, humans, should not make them experience pain and or death when they are in our favor, with some exceptions. In the point of view of Grove, "objections against animal agriculture often refer to the disrespect for animals' lives, integrity, and welfare in present intensive animal production systems". It is inevitable to kill animals if the system is to deliver animal