A canned hunt is essentially a trophy hunt. The hunter is more likely than not to kill because the animal is kept in a more confined area, such as in a fenced-in area.
http://en.wikipedia.org/wiki/Canned_hunt

The term canned may refer to: Canned is an episode of Rocko's Modern Life; The canning of food (invented by Francesco Cirio) Withdrawing/removing something, or putting it on hold ...
http://en.wikipedia.org/wiki/Canned

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canned   (k nd) adj. 1. Preserved and sealed in a can or jar. 2. Informal Recorded or taped for repeated use on television or radio: canned laughter.
http://www.thefreedictionary.com/canned

Dedicated to preserving the memory of this fine Canned Bacon made by Celebrity Foods in Hungary and imported many years ago for emergency disaster preparedness, camping, hiking and ...
http://www.canned-bacon.com/