Part 6/8:
Further enhancing domestication is the growth rate of the species. Animals that mature quickly enable humans to benefit from their utility within a single human lifetime. For example, pigs can reach maturity in a shorter time than elephants, whose long gestation and maturation periods make them impractical as domesticated animals.
Thus, although elephants can be tamed through meticulous training, the extensive time and resources required to breed them make them a luxury rather than a farm staple.