The Rules of Blood
The blood of people and all animals, whose blood gushes out, like the chicken and goat, is Najis.
The blood of animals, whose blood does not gush out, like the fish and mosquito, is Tahir.
According to Ihtiyat Wajib, one must avoid eggs that have even a small drop of blood in them. However, if the blood is in the yolk of the egg, and the covering around the...