Al-Kāfi
Hadith 928حُمَيْدُ بْنُ زِيَادٍ عَنِ الْحَسَنِ بْنِ مُحَمَّدِ بْنِ سَمَاعَةَ عَنْ أَحْمَدَ بْنِ الْحَسَنِ الْمِيثَمِيِّ عَنْ أَبَانِ بْنِ عُثْمَانَ عَنْ بَسَّامٍ الصَّيْرَفِيِّ عَنْ أَبِي جَعْفَرٍ ( عليه السلام ) فِي الْإِبِلِ الْجَلَّالَةِ قَالَ لَا يُؤْكَلُ لَحْمُهَا وَ لَا تُرْكَبُ أَرْبَعِينَ يَوْماً .
11. Humayd ibn Ziyad has narrated from al-Hassan ibn Muhammad ibn Sama‘ah from Ahmad ibn al-Hassan al-Mithamiy from Aban ibn ‘Uthman from Bassam al=Sayrafiy who has said the following: “About the case of a camel that feeds on feces, abu Ja‘far (a.s.), has said, ‘It cannot be used for food or riding for forty days.’”