Sunan an Nasai
4800
Sahih Lighairihi+2

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

Sahih LighairihiAbu Ghuddah
SahihAl-Albani