صحيح مسلم
كتاب اللباس والزينة · بَاب جَوَازِ وَسْمِ الْحَيَوَانِ غَيْرِ الْآدَمِيِّ فِي غَيْرِ الْوَجْهِ وَنَدْبِهِ فِي نَعَمْ الزَّكَاةِ وَالْجِزْيَةِ
Sahih Muslim 2119 c, d
الطريق ١الطريق ٢
الإسناد
زُهَيْرُ بْنُ حَرْبٍ(ت ٢٣٤هـ) يَحْيَى بْنُ سَعِيدٍ(ت ١٩٨هـ) شُعْبَةَ(ت ١٦٠هـ) هِشَامُ بْنُ، زَيْدٍ أَنَسًا(ت ٩٣هـ)
المتن
يَسِمُ غَنَمًا ‏.‏ قَالَ أَحْسِبُهُ قَالَ فِي آذَانِهَا ‏
Anas reported: We went to Allah's Messenger (ﷺ) as he was in the fold and he was cauterising the animals of the flock and I think (he was cauterising them) on their ears. This hadith has been narrated on the authority of Shu'ba through another chain of transmitters.