Yahya related to me from Malik that Ibn Shihab said, "The fullblood-money for murder when it is accepted is twenty-five yearlings,twenty-five two-year-olds, twenty-five four-year-olds, and twenty-fivefive-year-olds."
USC-MSA web (English) reference: Book 43, Hadith 2
Arabic reference: Book 43, Hadith 1557