(30) بَاب جَوَازِ وَسْمِ الْحَيَوَانِ غَيْرِ الْآدَمِيِّ فِي غَيْرِ الْوَجْهِ وَنَدْبِهِ فِي نَعَمْ الزَّكَاةِ وَالْجِزْيَةِ
Anas b. Malik reported:
I saw in the hand of Allah's Messenger (ﷺ) an instrument for cauterisation and he was cauterising the caracia collected as Zakat.
Reference: Sahih Muslim 2119 e
In-book reference: Book 37, Hadith 168
USC-MSA web (English) reference(deprecated numbering scheme): Book 24, Hadith 5288