Dwarf Fortress Bug Tracker - Dwarf Fortress
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0001839Dwarf FortressDwarf Mode -- Jobs, Animal Handlingpublic2010-05-11 21:502010-06-09 06:45
0001839: Pitting animal causes release
other than goblins (though at times they will escape) and tamed animals the attempt to pit or trade cages will release the animal.. causing mass chaos
No tags attached.
duplicate of 0001696new  creature fled before being thrown into pit - gets freed by dwarfes everytime it is being cagetrapped again 
duplicate of 0004065confirmed Knight Otu Prisoners, civ members, and (wild?) animals released when brought to Trade Depot 
Issue History
2010-05-11 21:50InstabilityNew Issue
2010-05-12 02:48king doomNote Added: 0006579
2010-05-12 04:03Logical2uNote Added: 0006580
2010-05-12 04:03Logical2uRelationship addedduplicate of 0001696
2010-05-12 04:03Logical2uStatusnew => resolved
2010-05-12 04:03Logical2uResolutionopen => duplicate
2010-05-12 04:03Logical2uAssigned To => Logical2u
2010-05-12 04:03Logical2uRelationship addedhas duplicate 0000480
2010-05-12 04:58Logical2uRelationship deletedhas duplicate 0000480
2010-05-12 04:58Logical2uRelationship addedduplicate of 0000480
2010-06-09 06:45Toady OneStatusresolved => closed
2011-02-24 09:04FootkerchiefRelationship addedduplicate of 0004065
2011-02-24 09:04FootkerchiefRelationship deleted0000480

king doom   
2010-05-12 02:48   
As a workaround, position the animals cage directly next to the pit, the closer it is the less time DF has to get confused and freak out.
2010-05-12 04:03   
I'm marking this as a duplicate of both 0001696 and 0000480 - Instability, if you feel you have anything to contribute to those bugs, please do so in their notes, so as to centralize the discussion.

The pitting issue is very old and has a few possible workarounds, the trading issue is also very old but I'm personally unaware of workarounds.