Why did the Copenhagen Zoo have to kill Marius the Giraffe anyway? Ah yes, science vs. emotion

[youtube http://www.youtube.com/watch?v=WZbvk8T1GgE&w=600&h=315]

This is a terrible story on surface, but it does have a scientific background, apparently. The Copenhagen Zoo killed a two-year-old giraffe named Marius (anesthesia then shot it), then chopped it up for tiger/lion meat (this is where it gets hard to deal), and the reason was basically scien…