Customize Post Excerpts Content limit in Genesis

Modify the Content Limit Read More Link

//* Modify the Genesis content limit read more link
add_filter( 'get_the_content_more_link', 'gk_read_more_link' );
function gk_read_more_link() {
	return '... <a class="more-link" href="' . get_permalink() . '">[Continue Reading]</a>';
}

Modify the Length of Post Excerpts

//* Modify the length of post excerpts
add_filter( 'excerpt_length', 'gk_excerpt_length' );
function gk_excerpt_length( $length ) {
	return 50; // pull first 50 words
}

Modify the Content Read More Link

//* Modify the WordPress read more link
add_filter( 'the_content_more_link', 'gk_read_more_link' );
function gk_read_more_link() {
	return '<a class="more-link" href="' . get_permalink() . '">[Continue Reading]</a>';
}

From Essence Pro

//* Modify the Genesis content limit read more link
add_filter( 'get_the_content_limit', 'gk_content_limit' );
function gk_content_limit() {
	// Make sure we are on post page.
	if ( ! is_home() ) {
		return;
	}
	return '... <a class="more-link" href="' . get_permalink() . '">Read More...</a>';
}