

It’s forbidden to eat fish and meat together because Chazal felt that there was a health concern.


The milk of a Tereifah animal is non-Kosher.Cows which have their stomachs punctured for gas build up might not be considered teref and as such the Shochet doesn't need to check for it, however, if he sees that it has scares from those punctures it isn't kosher.An animal which has a health defect or disease which Chazal specify is considered Teriefah and is forbidden to eat.An unwarranted pause, excessive pressure, or using a jagged knife are among the numerous defects of a ritual slaughtering which would cause the animal to be Nevelah. Any animal, kosher or not, may not be eaten unless it has first been ritually slaughtered properly, otherwise, the animal is considered Nevelah.If someone finds a blood spot in an egg today should be strict to throw it out.Human blood which separated from the area which it left the body is forbidden, however, if one’s gums are bleeding it is permitted to swallow that blood.Fish blood is permitted to drink, however, it’s forbidden if it’s gathered in a vessel unless it’s recognizably fish blood such as having in it fish scales.

Therefore after a kosher animal is ritually slaughtered it must be salted properly in order to remove the blood. Blood of any animal or bird is forbidden to be eaten.Some Sephardic poskim do not rely on this leniency. The OU's policy regarding canned fish relies on a certain leniency to ascertain that no non-kosher fish are mixed in.Fish which has fins and scales are Kosher, while all others are non-Kosher.Eggs or milk of a non-Kosher animal is also non-Kosher.Common practice is to permit eating turkeys.There is no definitive tradition regarding pheasant, peacock, guinea hen, partridge, swan, geese, pigeons, and doves and so these should not be eaten.The Torah specifies 24 non-Kosher birds and in practice we hold that any specifies about which we do not have a tradition that it is Kosher may not be eaten.Examples of non-kosher animals include pig, camel, donkey, and horse. Non-Kosher animals are those which do not have completely split hooves and chew its cud.It is permitted to smell food which is forbidden from benefit and certainly something non-kosher unless the food was prepared specifically for fragrance.It’s forbidden to eat the taste of non-Kosher food which was absorbed into another food.It’s forbidden to eat any non-Kosher food of any size.6.1 Dairy Products of Non-kosher Animals.
