I have a website with forum but the problem is replies in forum which are not on the same day are not displayed in google results. Site is tikshare
Maybe google bots are not coming often to your sites, you need to have some back links from High PR sites.
If your website gets indexed thread by thread but the replies aren`t, check the script of the forum. It can be that the thread is seen as a full post, not individually per post each page..
agree with this.. make sure you check the script and see if each of your page can be crawled by google
No replies does not have seperate url at all. But if replies have seperate url than it will be content duplication.