Obligation of humans in the treatment of animals

PHI 200 question.

Do human beings have any obligations to animals in terms of their treatment?

If it is wrong to treat animals cruelly, why is it not wrong to eat them?

Explain if, and how, you think humans can find a balance between treating animals ethically while also raising them for food and for other reasons, such as the testing of pharmaceuticals.

Your initial post should be at least 150 words in length.