Thread:Greenny/@comment-263488-20130823183428/@comment-3474542-20130823222710

Jrooksjr wrote: ok so what is the use of the last_available=? because as a rule they do NOT remove anything because it will crash players that have that item on their farm if it is removed.

Last available is the LAST date that you can get it from ANY source. Not just market.

Most animals and trees do not use this field. Equines, Cows and level 1 trees, decorations, events, and lots of other things do use this field, though. Which is why it is still in the infobox.