How to Generate RSS Feeds for Custom Post Types
Custom Post Types were one of the important innovations in WordPress 3.0. They really launched WordPress on the main stage when it comes to usage as a Content Management System (CMS). WordPress is very intuitive in the area of RSS, and it also can be queried to generate RSS feeds for Custom Post Types, although it does not provide them automatically as it does for Posts and Comments.
How to Make a Separate RSS Feed for Each Custom Post Type in WordPress
If you are certain that the posts belong to a custom post type, then you need to find out the name used by the custom post type. You can do that by clicking on the custom post type menu item in your WordPress admin sidebar. Clicking on it will take you to an admin page listing all the posts in that post type. Now if you look into the browser address bar you will see something like this:
How to Create Custom RSS Feeds in WordPress
The last thing to mention is that you can aggregate as many RSS feeds from as many sources as you’d like if you apply some ingenuity. The easiest way to do so is to make a use of WP RSS Aggregator. It is a very neat plugin for importing, merging and displaying RSS and Atom feeds on your WordPress site. This solution is very comprehensive and elegant for WordPress, so it does not take much effort and time to get started.