Bekhorot 111
מה בניך אין בלקוח ובמתנה אף צאנך ובקרך אינו בלקוח ובמתנה
just as the law of [the first-born of] thy sons does not apply to a case of bought or presented,<span class="x" onmousemove="('comment',' As the cases of being bought or given as a present are not relevant to human first-born, for only those born to him are liable to the law of the first-born.');"><sup>1</sup></span>
(שמות כב, כט) כן תעשה אם אינו ענין לבכור דלא איתיה בעשייה דברחם קדוש תנהו ענין למעשר בהמה
- Scripture says: Thus thou shalt do.<span class="x" onmousemove="('comment',' The words 'Thou shalt do' means the act of consecration which of course cannot apply to a first-born, since the latter is holy from birth and no special act of dedication is necessary.');"><sup>3</sup></span>
תנהו ענין לחטאת ולאשם
But why not say: Apply it to the case of a sin-offering trespass-offering?<span class="x" onmousemove="('comment',' That they should not be brought from animals purchased or presented as a gift. What proof therefore have we that the text refers to the tithing of animals?');"><sup>4</sup></span>
דומיא דבנך מה בנך שאינו בא על חטא אף צאנך ושורך שאינו בא על חטא
- [The inference to be made] must resemble the case of 'thy [first-born] son'.<span class="x" onmousemove="('comment',' The text referring to the first-born of man.');"><sup>5</sup></span>
דומיא דבנך מה בנך שאין קבוע לו זמן אף שורך וצאנך שאין קבוע לו זמן
But why not say: Apply [the text] to the case of a pilgrim's burnt-offering of appearance [before the Lord]?<span class="x" onmousemove="('comment',' Which it is a duty to bring and which is not brought to atone for a sin.');"><sup>7</sup></span>
אמר רבא
I might have said, however, that just as [the rule of] 'thy first-born son' does not apply at all to where he is bought, similarly [the rule of] 'thine oxen and wi thy sheep' does not apply at all to where they are bought; why then did R'Assi report in the name of Rab Johanan: If one bought ten embryos which were in the insides of their mothers they all enter the shed to be tithed?<span class="x" onmousemove="('comment',' Tosaf. observes that the same ruling applies even if they were already born, but are too young for sacrifice.');"><sup>9</sup></span>
אמר קרא תעשה בשעת עשייה מיעט הכתוב
- Said Raba: Scripture says: 'Thou shalt do', intimating that only when doing [i.e., the act of consecration] is possible<span class="x" onmousemove="('comment',' Lit., 'in the time of doing'. When dedication is appropriate, viz., after birth but not when the embryo is still in the inside of the animal.');"><sup>10</sup></span>
הלקוח או שניתן לו במתנה פטור מן מעשר בהמה
Said R'Eleazar: R'Johanan appeared [last night] to me in a dream [therefore I know] that I will say a good thing [to-day], [as follows]: Scripture says: 'Thou shalt do', intimating that only where the act of consecratio is possible does Scripture impose restrictions.
א"ר אלעזר
R'Simeon B'Eliakim raised an objection against the opinion of R'Eleazar: [The law of] an animal bought, applies also to an animal too young for sacrifice!<span class="x" onmousemove="('comment',' If he bought it before the seventh day from its birth, it no longer enters the shed to be tithed, this certainly being the case if he bought it as a full-grown animal. We see then that its being too young for sacrifice prevents consecration from taking place, and still the law of an animal bought applies to it.');"><sup>12</sup></span>
א"ק תעשה בשעת עשייה מיעט הכתוב
And if you will say that it is a [recognized] teaching, then it must be the opinion of R'Simeon B'Judah.<span class="x" onmousemove="('comment',' For according to his opinion an animal within seven days of its birth can be dedicated, and therefore the law of an animal bought applies to it. He admits nevertheless that if an embryo was in the inside of the mother, the law of an animal bought does not apply to it.');"><sup>13</sup></span>
תני תנא קמיה דרב
Wherever it is given to her and then bought back from her.<span class="x" onmousemove="('comment',' If therefore he has nine animals and this one, they are subject to tithing. And if one of the fit ones come out the tenth, then it is well. And if the harlot's offering came out the tenth, it is eaten when it becomes blemished by its owners.');"><sup>16</sup></span>
איזהו אתנן שנכנס לדיר להתעשר כל שנתנו לה וחזר ולקחו הימנה
But is not the animal disqualified because it is bought? - The questioner failed to notice that which R'Assi reported in the name of R'Johanan: If one bought ten embryos which were in the insides of their mothers, all of them enter the shed to be tithed.<span class="x" onmousemove="('comment',' And here too we are dealing with a case where she was given an embryo which was in the inside of the mother.');"><sup>17</sup></span>