‏الجهاد والسير‏ : Hadeeth No:4343 It has been narrated on the authority of Auf b. Malik al-Ashja'i who said: I joined the expedition that marched under Zaid b. Haritha to Muta, and I received reinformcement from the Yemen. (After this introduction), the narrator narrated the tradition that had gone before except that in his version ...

‏الأضاحي : Hadeeth No:4836 Jabir reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: Sacrifice only a grown-up animal, unless it is difficult for you, in which case sacrifice a ram (of even less than a year, but more than six months' age)....