Bulugh al-Maram, Book 1, Hadith 81 (English)

Narrated Jabir bin Samura (rad): A man asked the Prophet, “Should I perform ablution after eating mutton?” He replied, “If you wish so”, he then asked, “Should I perform ablution after eating camel meat?” He said: “Yes”. [Reported by Muslim].

وَعَنْ جَابِرِ بْنِ سَمُرَةَ رَضِيَ اَللَّهُ عَنْهُمَا; { أَنَّ رَجُلاً سَأَلَ اَلنَّبِيَّ ‏- صلى الله عليه وسلم ‏-أَتَوَضَّأُ مِنْ لُحُومِ اَلْغَنَمِ? قَالَ: إِنْ شِئْتَ قَالَ: أَتَوَضَّأُ مِنْ لُحُومِ اَلْإِبِلِ ? قَالَ: نَعَمْ } أَخْرَجَهُ مُسْلِم ٌ (94)‏.‏ ‏3 ‏- صحيح.‏ رواه مسلم (360)‏.‏

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also referenced under: Book 1, Hadith 91 (In-Book)