Abdullah bin Dinar عبد الله بن دينار العدوي · The Book of Zakah

"Ibn 'Alqamah appointed my father to be in charge of his people, and he commanded him to collect their Sadaqah. My father sent me to a group of them to bring their Sadaqah to him. I set out and came to an old man who was called Sa'r. I said: My father has sent me to collect the Sadaqah of your sheep. 'He said: O son of my brother, how will you decode what you want to take?' I said"…

"A man came to the Prophet and said: 'I feared that I might be killed after you are gone for the sake of a goat or sheep of the Sadaqah.' He said: 'Were it not that it will be given to the poor Muhajirin I would not have taken it."' (Daif)

"I heard the Messenger of Allah say: "No Sadaqah is due on less than five Awsaq of silver, no Sadaqah is due on less than five Dhawd (head) of camels, and no Sadaqah is due on less than five Awsuq of dates."