[20a - 39 lines; 20b - 28 lines]
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We recommend using the textual changes suggested by the Bach and the marginal notes of the Vilna Shas. This section is devoted to any other important corrections that Acharonim have pointed out in the Gemara, Rashi and Tosfos.
[1] Gemara 20a [line 12]:
The words "Chayah k'Devarecha" çéä ëãáøéê
should be "Hayah k'Devarecha" äéä ëãáøéê (Warsaw and other editions of the Shas)
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1)[line 4]øåáà ãúìé áîòùäRUBA D'TALI B'MA'ASEH- a majority that depends on a voluntary action; e.g. giving birth, which depends on breeding with another animal
2)[line 36]îàé àéëà áéï âîøéä ìñáøéäMAI IKA BEIN GEMAREI L'SEVAREI- what is the difference between the teaching that he received through tradition and the teaching that he said from his own reasoning
3)[line 37]àéï èéðåó ôçåú îùìùéí éåíEIN TINUF PACHOS MI'SHELOSHIM YOM- an animal cannot become pregnant during the first 30 days after her discharge
4)[last line]áéåìãú ìî÷åèòéï ÷îéôìâéB'YOLEDES L'MEKUTA'IN KA'MIPALGEI- they argue whether an animal can give birth before the end of the last month of its term of birth
20b----------------------------------------20b
5)[line 3]î÷öú äéåí ëëåìåMIKTZAS HA'YOM K'CHULO - after a part of the last day of her term has passed, her term is completed and she can give birth
The rule of Miktzas ha'Yom k'Chulo states that part of the last day of a finite term (e.g. the thirty days of Nezirus or the seven days of mourning), is considered as though it were the entire day. For example, keeping Nezirus at the beginning of the thirtieth day is considered as if it was kept for the entire day.
6)[line 9]çìá ôåèø àéëà áéðééäåCHALAV POTER IKA BEINAIHU- they argue whether the production of milk is proof that an animal has given birth, and its owner is consequently exempt from Bechorah
7)[line 11]çåìáåúCHOLVOS- that secrete milk
8)[line 15]éöàä îìéàäYATZ'AH MELEI'AH- she left when she was pregnant