What is the net weight of a sheep?

A sheep has a net weight of 2 Jin. According to relevant public information, it is known that a wool weighs 60 kg, the net weight after slaughter is 30 kg, a sheepskin is about 10 kg, plus the sheep's head, plus the sheep's hooves is about 8 kg, and the rest of the belly, heart and liver are about 10 kg, and the intestines are about 2 kg.