The Prophet ﷺ said, "Beware, no one should milk another man's livestock without his permission. Would any of you like for someone to come to his storeroom, break open its door, and carry off what is inside? The udders of their livestock hold the food of their owners. Beware, let no one milk another man's livestock without his permission," or he said, "without his order."
حدثنا إسماعيل حدثنا أيوب عن نافع
عن النبي ﷺ قال ألا لا تحتلبن ماشية امرئ إلا بإذنه أيحب أحدكم أن تؤتى مشربته فيكسر بابها ثم ينتثل ما فيها فإنما في ضروع مواشيهم طعام أحدهم ألا فلا تحتلبن ماشية امرئ إلا بإذنه أو قال بأمره
Its chain of transmission is sahih, and it is a longer version of 4471, and this longer version is the one we referred to there, noting that Bukhari and Muslim narrated it.Mishrabah, with the ra either with damma or fatha, means the upper room.Tantathilu ma feeha means to extract and take out what is in it.