There are some kosher McDonald's franchise locations in Israel. Aside from those,
people who observe kashruth could not eat at McDonald's.
Both of these statements also apply to BK, Wendy's, KFC, and a few others.
No ______ Kosher deli meat still has nitrates.
Fox meat is not kosher. See:More about what is and isn't kosher
Yes, Kosher meat is halal for Muslims to eat
A kosher butcher will only sell kosher meat. Regular butchers don't sell kosher meat.
No. Emu meat is not considered kosher because emu resembles ostriches which are not kosher as well. (The rhea and the cassowary are not kosher for the same reason.)
Sabeny.com is a new kosher online grocery store. They sell a range of Kosher groceries and meat and have a price guarantee. They currently sell fresh and frozen kosher meat and kosher poultry, in addition to all other kosher grocery products.
If Muslims do not have access to halal meat then kosher meat is acceptable.
Meat or poultry should have Rabbinical kosher-certification. So, to answer the question, any meat or poultry that is kosher can be eaten by kosher observant Jews.
Please see the related link for the history of the 1902 kosher meat boycott.
A vegan kosher menu.
No, of course not. Most liver is not kosher, just as most meat is not kosher.
Hindus do not eat beef no matter if it is Kosher or non-kosher.