مصنف ابن ابي شيبه
Musannaf Ibn Abi Shaybah
كتاب الحجBook of Hajj
من كان ينحر بدنته قائمة، ومن قال: باركة؟Those Who Say to Slaughter the Camel Standing and Those Who Say Sitting
Hadith 16390
١٦٣٩٠ - حدثنا أبو بكر قال: حدثنا (فقال) (١): حدثنا أبو خالد عن حجاج عن عطاء أن ابن عمر كان ينحرها شابًا قيامًا، فلما كبر نحرها وهي باركة (٢).
When Ibn Umar (may Allah be pleased with them both) was young, he would slaughter the camel while it was standing; when he became old, he would make it sit and then slaughter it.
