Content type hub choice column

We are working with a content type hub. There are content types on the "hub" site which are using "choice columns". Something it is necessary to add on a special subsite a new choice attribute. Because is not necessary for every subsite, we don't add it on the "hub" content type. After publishing the hub content type again, it will delete the new choice attribute from the subsite. Is it possible to exclude columns by publishing a hub content type?