Study Chullin folio 98A with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
an egg that contains a chick, as the chick imparts flavor to the food in which the egg is cooked. But with regard to an egg that does not contain a chick but is from a non-kosher bird, it does not impart flavor to the food with which it is cooked.
Rav Idi bar Avin raised an objection to this answer based on a baraita (Tosefta, Terumot 9:5): With regard to kosher eggs that one boiled with non-kosher eggs, if they have a ratio that allows the non-kosher eggs to impart flavor to the kosher eggs, they are all forbidden. This indicates that eggs
The Talmud objects: But from the fact that the latter clause teaches: With regard to eggs that one boiled and a chick was found in one of them, if they have a ratio that allows the chick to impart flavor to them, they are all forbidden, it may be inferred that in the first clause we are dealing wit
The Talmud explains that this is an incorrect inference, as the latter clause is explaining the first clause, so that the baraita should be read as follows: With regard to kosher eggs that one boiled with non-kosher eggs, if they have a ratio that allows the non-kosher eggs to impart flavor to the k
The Talmud adds: So too it is reasonable to explain the baraita in this manner, as if it would enter your mind to say that the first clause is referring to a case where there is no chick in the egg, the latter clause is redundant: Now that the tanna has taught that in a case where there is no chick