Da'ud bin Qays al-Fra'a داود بن قيس الفراء الدباغ · The Book on Business

That the Prophet (ﷺ) said: "When one of you comes upon livestock, if its owner is with it then seek his permission. If he permits him then let him milk it and drink. If there is no one with it then call out three times, if someone answers then seek his permission. If no one answers then let him milk it and drink without carrying (any of it away)." There are narrations on this topic from Ibn 'Umar and Abu…