This is still a problem in 1.5. My world spawned several thousand chickens and eggs and has made my world completely unplayable, even after removing the entities and deleting the chunks in MCedit. I had had some problems with the same issue in 1.4.7 but unfortunately 1.5 did not fix it.
Dockers
This is still a problem in 1.5. My world spawned several thousand chickens and eggs and has made my world completely unplayable, even after removing the entities and deleting the chunks in MCedit. I had had some problems with the same issue in 1.4.7 but unfortunately 1.5 did not fix it.