i don't think there is a heaven or hell for goats ,sheep and chicken ---------------hence they are finished here itself on this earth after sacrifice to the GOD'S--------
i think millions of animals are sacrificed all across the world to the god's of Africa [voodoo god's] ,,,god's of north America [red Indian god's] ,, Muslim sacrifices of sheep to the gods,,,,,Jewish sacrifices of sheep in passover,,,,to the Wiccan god's,,etc etc
to the Norse god's Sacrifice could comprise of animals or human sacrifice; that was performed for the gods at religious festivals,-----
Greeks erected temples to their particular deities, and these deities were honored in festivals with animal sacrifices. ------
for the voodoo god's of Africa, animal sacrifices are given in elaborate expensive ritual involving the sacrifice of a large animal, like an ox,
Animal sacrifice, as a mode of religious worship, has been in existence since the dawn of humanity itself
In Greece ,,sacrifice they killed an animal and offering part of it to the gods, or to one specific god, while eating the rest of it themselves--------------
in ancient Greece generally a sacrifice went something like this: somebody decided that he or she owed something to a god, or that he or she wanted something from a god. Or there were also regular times of year for sacrifices--------
There was a stone altar outside each house that you could kill the chickens on, with an appropriate ceremony.
The Inca's conducted sacrifices. However, human and animal sacrifices were held only on special occasions such as the enthronement of the Inca king (the king), when 200 children would be killed,
what happens to the animals as a body? they just lose their life painfully and become a meal of the devotees----that's it --------
what happens to the animal soul after sacrifice is altogether a different concept according to different religions------
good luck