Sahih Muslim
Sahih Muslim 1524 e
Ruling on selling Al-Musarrah (An animal in whose udder milk has been allowed to accumulate)
Arabic hadith text
وَحَدَّثَنَاهُ ابْنُ أَبِي عُمَرَ، حَدَّثَنَا عَبْدُ الْوَهَّابِ، عَنْ أَيُّوبَ، بِهَذَا الإِسْنَادِ غَيْرَ أَنَّهُ قَالَ " مَنِ اشْتَرَى مِنَ الْغَنَمِ فَهُوَ بِالْخِيَارِ
Translation
Ayyub narrated with the same chain of transmitters but with this change of words
" He who buys a goat has the option...."