“You make money from selling their semen,” Perkins, who played 14 years in the NBA, said matter-of-factly. “You’ve got your stud fees, and with Jay-Z, the semen starts at $100K.” The breeding process is complicated. “There’s a lot of work that goes into it behind the scenes, like making sure your dogs’ progesterone levels are tested, making sure it’s the optimal time to breed for the females’ fertility rates. If you’re shipping the semen you have to know it’s only good for a certain amount of time and meet the window of customers’ expectations,” Shenkir said.