Hadith 1955 a - The Book of Hunting, Slaughter, and what may be Eaten - Sahih Muslim - صحيح مسلم - Collection of Actions, Sayings and Teachings of Prophet Muhammad (صلى الله عليه و سلم) - Kutub as-Sittah

34. The Book of Hunting, Slaughter, and what may be Eaten - كتاب الصيد والذبائح وما يؤكل من الحيوان

11) Chapter: The command to be proficient in slaughtering and killing, and to sharpen the blade

Shaddid b. Aus said:

Two are the things which I remember Allah's Messenger (ﷺ) having said: Verily Allah has enjoined goodness to everything; so when you kill, kill in a good way and when you slaughter, slaughter in a good way. So every one of you should sharpen his knife, and let the slaughtered animal die comfortably.

Reference: 1955 a
English reference: Book 21, Hadith 4810
In-book reference: Book 34, Hadith 84
Grade: Sahih
Read this hadith from Darussalam Collection

11) باب الأَمْرِ بِإِحْسَانِ الذَّبْحِ وَالْقَتْلِ وَتَحْدِيدِ الشَّفْرَةِ ‏‏

حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا إِسْمَاعِيلُ ابْنُ عُلَيَّةَ، عَنْ خَالِدٍ الْحَذَّاءِ، عَنْ أَبِي قِلاَبَةَ، عَنْ أَبِي الأَشْعَثِ، عَنْ شَدَّادِ بْنِ أَوْسٍ، قَالَ ثِنْتَانِ حَفِظْتُهُمَا عَنْ رَسُولِ اللَّهِ صلى الله عليه وسلم قَالَ ‏‏ ‏.‏ "‏ إِنَّ اللَّهَ كَتَبَ الإِحْسَانَ عَلَى كُلِّ شَىْءٍ فَإِذَا قَتَلْتُمْ فَأَحْسِنُوا الْقِتْلَةَ وَإِذَا ذَبَحْتُمْ فَأَحْسِنُوا الذَّبْحَ وَلْيُحِدَّ أَحَدُكُمْ شَفْرَتَهُ فَلْيُرِحْ ذَبِيحَتَهُ ‏"