This is indeed the case and stems from the Biblical prohibition against boiling a calf in its mother's milk. The amount of time that should be left between consuming meat and dairy varies with different Jewish communities having different traditions. Around six hours if perhaps commonest, but among some communities (such as the Dutch) it is as little as one hour.
It is one of the 613 commandments in The Bible. "don't cook a goat in its mothers milk" from that sentence it is learnt not to mix milk and meat. The extension of all mixtures of milk and meat and of milk and poultry are meant as a "fence around the law".
In Judaism, milk and meat are kept separate because the Torah states that we must not cook a kid (baby goat) in its mother's milk. So that we don't accidentally break this rule or appear to break the rule, we don't combine any meat and milk.
Milk (or dairy products in general) are not supposed to be eaten along with meat.
Traditional Jews do not eat meat and dairy together. See also the attached Related Link.
yes they are they are only not allowed to eat dairy and meat together.
Meat and dairy
bagels and lox, and cholent - though not together! Correction: Although bagels and lox and cholent are specific items that Orthodox Jews might eat (assuming they're kosher), that would make for a rather boring and not too nutritious diet. Orthodox Jews can eat anything that is kosher.
Jews who eat kosher will not eat snails since snails are not kosher. However, not all Jews eat according to the laws of kashrut, so some Jews do eat snails.
Yes, but since lamb is meat, there's NO creamy salad dressings.
There is no reason for Jews to not combine dairy and eggs. Eggs are classified as 'pareve' which means that they are neutral and can be combined with either meat or dairy.
Observant Jews do not eat crayfish.
Muslims and Jews don't eat pork. Muslims eat shellfish, but Jews don't.
Orthodox Jews are only allowed to eat kosher foods.
Jews eat food -- observant Jews attempt to keep the laws of kashrut by eating kosher food. When? Many Jews eat 3 meals a day with occasional snacks. Some skip breakfast.
no, it is because God's Torah forbids Jews to eat pork. Non-Jews are permitted to eat it.
Yes, Jews can eat chicken. Religiously observant Jews would require that the chicken be kosher.