Question: What determines the color of the eggs hens lay, i.e., white or brown? Does it have to do with the breed of chicken or what they are fed, or something else?

Answer: Yes, the breed of the hen determines the colour of the egg.  Here is an interesting site that explains a lot about eggs, everything you always wanted to know and then some!
This question from the Yahoo Q&A forum is categorized in the topic: Health