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." (DE)
USC-MSA web (English) reference: Book 43, Hadith 2 (DE)
Arabic reference (DE): Book 43, Hadith 1557 (DE)