AbuHurairah narrated that Abu Bakr bin Abu Quhafah narrated that theMessenger of Allah (ﷺ) said to him and to 'Umar:
"Let us go outtoWaqifi." He said: "So we went out in the moonlight until wecame tothe garden and he (the owner of the garden) said: 'Welcome.'Then hetook up the knife and went among the sheep (to choose one forslaughter), and the Messenger of Allah (ﷺ) said: 'Avoid thosethatare lactating.'" (DE)
English reference (DE): Vol. 4, Book 27, Hadith 3181 (DE)
Arabic reference (DE): Book 27, Hadith 3302 (DE)