Rabbi Baruch Bodenheim: Monday Night Gemara Shiur Bava Metzia 31A: Amar Lei Rava Eeh Yagid Olov Reioh (07/23/2012)

Learn Gemara 31a “Amar lei Rava ..”(first medium size line) until second set of two dots
Question; When one removes a cow that is grazing in a vineyard of a Jew to prevent the animal from damaging the vineyard is he now obligated to return the cow or not? Ritva “Ha”, Rosh siman 22
Continue Gemara from the 2 dots until first word on 7th wide line.
Question; why would we think that if one needs the mother bird for a mitzvah that would over ride the mitzvah of shiloach hakan? Ritva “Ein”, Tosfos Rosh “Ldvar”