According to Wikipidia Content curation is the process of gathering information relevant to a particular topic or area of interest. Services or people that implement content curation are called curators. Curation services can be used by businesses as well as end users.
Content curation is same as copying from peoples blog and duplicating it for your own vistors to read over the years this method has not been the best to build a unique blog.
Below is a simple step on how to How to Block Content Curation on Your Blog
1. Reduce your RSS summary
To do this on WordPress, you need to log in your dashboard and go to Settings > Reading. Scroll down till you see For each article in a feed, show and change the option to Summary.
With this done, these RSS crawlers would only get a snippet of your post, not the full content.
2. Customize your RSS feed output
If you’re using WordPress SEO by Yoast, you should be able to customize your RSS feed from the settings. Go to SEO > Search Appearance > RSS. From here, you should be able to add custom links and some other info to your RSS feed.
Yoast SEO settings
This might discourage content thieves who check what your RSS feed look like before inputting the URL into their content curation plugin
3. Insert links in your content
This goes without saying, but you really need to insert internal links to related articles within your content. These links let you get trackback notifications whenever your content is copied.
4. Report to Google
You should also report these sites to Google. You can report DMCA violation to Google on this page. This might remove the site from Google search. But then, this can be very tiring as you need to keep reporting one URL after another.