They call this "Torah" or "The Torah," a Hebrew term meaning; teaching, instruction or law. Some call this loosely the law of God. See also the attached Related Link.
There are many rules, but these are the highlights:
Meat and milk are not allowed to be prepared or eaten together.
Fish and meat is not cooked together or eaten on the same plate.
For meat: Only animals that have split hooves and chew their cud are kosher. Only milk from a kosher animal may be eaten (as opposed to milk from not kosher animals). All animals must be ritually slaughtered, and some parts of the animal (even if it is kosher) may not be eaten.
For birds: The bird must not be a scavenger or a predator, and must have a local tradition as a food animal
For fish: must have fins and scales
For insects: Although there are several species of kosher locusts, the species names are lost, so most Jews will not eat locusts. Other insects are forbidden.
All utensils must be ritually clean, and only used for kosher items, and no meat utensils with milk and vice-versa.
Religiously observant Jews will not eat any food that is not kosher. The core rules of kashrut (dietary laws) are:
* Land animals must have split hooves and chew their cud.
* Fish have to have scales and fins.
* Birds cannot be amongst those listed as forbidden in the Torah and cannot be hunters/scavengers
* Animals must be killed in a specific manner and must be free of all disease
* As much blood as possible must be removed from meat as consumption of blood is forbidden
* Dairy and meat cannot be combined in the same meal and there's a waiting period between eating one then the other.
* Orthodox Jews and some Conservative Jews will not eat certain fruits and vegetables because it's too difficult to guarantee that all bugs have been washed away (cauliflower, asparagus, and the like).
Additionally, food must be prepared and handled following kashrut. Any food that does not meet these requirements cannot be eaten by those who are religiously observant.
No mixing meat with dairy, and no shellfish and pork.
Answer 2
"Kashrut" refers to the Jewish dietary laws. There are many kosher laws. Here are a few highlights:
There are hundreds of kashrut laws. The core rules of kashrut (dietary laws) are:
* Land animals must have split hooves and chew their cud.
* Fish have to have scales and fins.
* Birds cannot be amongst those listed as forbidden in the Torah and cannot be hunters/scavengers
* Animals must be killed in a specific manner and must be free of all disease
* As much blood as possible must be removed from meat as consumption of blood is forbidden
* Dairy and meat cannot be combined in the same meal and there's a waiting period between eating one then the other.
* Orthodox Jews and some Conservative Jews will not eat certain fruits and vegetables because it's too difficult to guarantee that all bugs have been washed away (cauliflower, asparagus, and the like).
Additionally, food must be prepared and handled following kashrut. Any food that does not meet these requirements cannot be eaten by those who are religiously observant.
The rules regarding food in Judaism are called the laws of kashrut. The basics are:
1. Land animals must both chew their cud and have split hooves.
2. Fish must have both scales and fins.
3. Birds must not be listed as forbidden in the Torah and cannot be hunters.
4. Dairy and meat are kept strictly separate.
5. The consumption of blood is strictly forbidden.
Religious Jews live by the Torah, by obeying its commands and beliefs.
Link: Jewish beliefs
Some examples of the commands:
And many more.
The laws have various reasons. Some (such as the Passover) serve to reenact or remember events of our history.
Some (such as saying the Shema-prayer) serve to reiterate our belief in God.
Some of the laws (such as those of ritual purity and kosher food) serve to sanctify us.
Some (such as the laws of torts) serve to maintain an orderly and just society.
Some (such as the law against breaking a vow) serve to prevent bad character traits.
Some (such as the command to offer help) serve to engender good character traits.
And all of the commands serve to subjugate us to God's will (especially those commands for which no explanation is easily apparent).
Note that the Torah "as is" isn't exactly what Judaism observes. Rather, it's the Torah together with the details provided in the Talmud, which is the Oral Law that was handed down together with the laws of Moses. Otherwise, the verses of the Torah often lack enough detail to be fulfilled as is.
See also the other Related Links.
Link: What are the teachings, practices, principles and beliefs of Judaism?
Link: What is life like for Jews?
In order to be kosher, food has to be prepared according to the kosher-laws (see Deuteronomy ch.14). These are explained in detail in the Talmud-volume of Chullin.
* Meat must be from those land animals which have split hooves and chew their cud (such as beef, venison and mutton).
Fish have to have scales and fins. Shellfish are not kosher.
Birds cannot be among those listed as forbidden in the Torah (Deuteronomy ch.14) and cannot be hunters/scavengers. In actual practice, today we eat only those species concerning which we have a tradition that they're permitted, such as domestic chicken, geese, pigeons and turkey.
* Animals must be slaughtered in the manner specified by Jewish law and must be free of all disease. In actual practice, those who keep kosher purchase meat which is certified as having been prepared in the kosher manner.
As much blood as possible must be removed from meat before cooking, since consumption of blood is forbidden (Leviticus ch.17). This is done at home or by the kosher butcher, through salting, soaking and rinsing.
* Dairy and meat cannot be combined in the same meal and there's a waiting period between eating one and then the other. After dairy: 1/2 hour. After meat: 6 hours for most Jewish communities.
* Fruits and vegetables should be checked to be sure they're free of bugs. Some Jews avoid cauliflower, asparagus, and the like, because of the difficulty in checking them.
Additionally, food must be prepared and handled following kashrut-laws and with kosher ingredients only. Processed foods should be labeled as having had kosher supervision during their processing. Any food that does not meet these requirements cannot be eaten by those who are religiously observant Jews.
See also the Related Links.
Link: Could you give me a list of kosher and non-kosher types of fish?
first off in Israel they don't sell pork, ham,or shellfish. so that is how they maintain the kosher part. and every friday night they close their shops and pray for a good shabbat to start.
Reformed Judaism believes that the Bible is the main source for the rules of Judaism.
The Torah.
Those numbers are going to vary as accurate samples were not available at the time. However Judaism and Greek Mythology were the primary rules of the day.
The mitzvot (Torah-commands).
Example: There were many variations in the new rules.
Moses.
Israel.
The Torah.
JUdaism
See the attached Related Link.
Kashrut is the name for the system of rules for what food is kosher and what food is not. These rules include such things as a strict prohibition on the mixing of milk and meat (or things derived from milk and meat) in the same meal, rules for which animals may be eaten and how to slaughter them, and special rules that apply during Passover to products made with bread grains (wheat, oats, barley, rye, spelt) or that may be confused with bread grains.
Judaism was not "assembled". It came about through the rules established in the Torah, supported by the Prophets, and organized and expanded by the Rabbis.