"If we just sterilize him, he will take up space for more genetically valuable giraffes," Holst answered.
http://edition.cnn.com/2014/02/09/wo...k-zoo-giraffe/
as I thought it was just a question of money.
i canīt believe they couldnīt start some kind of "adopt me" campaign like many zoos do and gather enough donations to keep him alive.