<Modern domestic animals get the gene for storing fat from the Pleistocene
Megafauna that they are the sad remants of ( as are we ).  >

modern domestic animals get their fat from unatural diet to their species !
In fact any mammal raise with unatural foods for the species will become fat
as humans do .


<  Camels, lamas,cows, pigs, sheep, horses and other
> domestic animals all have their origins in Pleistocene Megafauna.  They
> could not survive our current climate without us - or us them as symbiosis
> always involves mutual dependence.

there is wild sheeps , wild boar , wild  horses , wild guanaco and vigogns
who survived up to now  independantly of  humans.

jean-claude