ENOfficial
It was narrated from Al- Qasim bin Rabi'ah that the Messenger jof Allah said: "The accident that resembles on purpose, meaning (killing) with a stick or a whip, (for which the Diyah is) one hundred camels, of which forty should be (pregnant she-camels), with their young in their wombs."
Source: sunnah.com
Other translations
Arabic
أَخْبَرَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، قَالَ حَدَّثَنَا سَهْلُ بْنُ يُوسُفَ، قَالَ حَدَّثَنَا حُمَيْدٌ، عَنِ الْقَاسِمِ بْنِ رَبِيعَةَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " الْخَطَأُ شِبْهُ الْعَمْدِ - يَعْنِي بِالْعَصَا وَالسَّوْطِ - مِائَةٌ مِنَ الإِبِلِ مِنْهَا أَرْبَعُونَ فِي بُطُونِهَا أَوْلاَدُهَا " .
sunnah.com