Sunan An Nasai 4217

أَخْبَرَنَا أَحْمَدُ بْنُ سُلَيْمَانَ، ‏‏‏‏‏‏قَالَ:‏‏‏‏ حَدَّثَنَا أَبُو نُعَيْمٍ، ‏‏‏‏‏‏قَالَ:‏‏‏‏ حَدَّثَنَا دَاوُدُ بْنُ قَيْسٍ، ‏‏‏‏‏‏عَنْ عَمْرِو بْنِ شُعَيْبٍ، ‏‏‏‏‏‏عَنْ أَبِيهِ، ‏‏‏‏‏‏عَنْ جَدِّهِ، ‏‏‏‏‏‏قَالَ:‏‏‏‏ سُئِلَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ عَنِ الْعَقِيقَةِ ؟، ‏‏‏‏‏‏فَقَالَ:‏‏‏‏ لَا يُحِبُّ اللَّهُ عَزَّ وَجَلَّ الْعُقُوقَ ،‏‏‏‏ وَكَأَنَّهُ كَرِهَ الِاسْمَ، ‏‏‏‏‏‏قَالَ لِرَسُولِ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ:‏‏‏‏ إِنَّمَا نَسْأَلُكَ أَحَدُنَا يُولَدُ لَهُ، ‏‏‏‏‏‏قَالَ:‏‏‏‏ مَنْ أَحَبَّ أَنْ يَنْسُكَ عَنْ وَلَدِهِ فَلْيَنْسُكْ عَنْهُ عَنَ الْغُلَامِ شَاتَانِ مُكَافَأَتَانِ، ‏‏‏‏‏‏وَعَنِ الْجَارِيَةِ شَاةٌ . قَالَ دَاوُدُ:‏‏‏‏ سَأَلْتُ زَيْدَ بْنَ أَسْلَمَ عَنِ الْمُكَافَأَتَانِ ؟، ‏‏‏‏‏‏قَالَ:‏‏‏‏ الشَّاتَانِ الْمُشَبَّهَتَانِ،‏‏‏‏ تُذْبَحَانِ جَمِيعًا.

It was narrated from 'Amr bin Shuaib, from his fahther, that his grandfather said: The messenger of Allah was asked about the 'Aqiqah and he said: Allah, the mighty and sublime, does not like Al-Uquq' as if he disliked the word (Al-Aqiqah). He said to the Messenger of Allah: 'But one of us may offer a sacrifice when a child is born to him.' He said: 'Whoever wants to offer a sacrifice for his child, let him do so, for a boy; two sheep, Mukafaatan, (of equal age), and for a girl, one.' (One of the narrators) Dawud said: 'I asked Ziad bin Aslam about the word Mukafaatan and he said: 'Two similar sheep that are slaughtered together.