A pigoon is a fictional
creature from Margaret Atwood's novel 'Oryx and Crake'.
A pigoon is a laboratory (commercial) pig with
human stems cells implanted into it, to grow organs of
choice.
"The goal of the pigoon project was to grow an assortment of foolproof
human-tissue organs in a transgenic knockout pig host..."
(
M.Atwood, Oryx and Crake, Virago Press
2004, p. 25)