The Messenger of Allah ﷺ prohibited eating the animal which feeds on filth and drinking its milk. (Using translation from Abū Dāʾūd 3785)  

«نَهَى رَسُولُ اللَّهِ ﷺ عَنْ أَكْلِ الْجَلَّالَةِ وَأَلْبَانِهَا»  

The Messenger of Allah ﷺ prohibited to ride a camel which eats dung. (Using translation from Abū Dāʾūd 2558)   

«نَهَى رَسُولُ اللَّهِ ﷺ عَنِ الْجَلَّالَةِ يَعْنِي الْإِبِلَ أَنْ يُرْكَبَ عَلَيْهَا أَوْ أَنْ يُشْرَبَ مِنْ أَلْبَانِهَا»