For use on Woo Canvas, WooCommerce and Yoast SEO

gistfile1.txt

// Replace WooThemes Breadcrumbs with Yoast breadcrumbs

add_action( 'init', 'hh_breadcrumbs' );

function hh_breadcrumbs() {
    remove_action( 'woocommerce_before_main_content', 'woocommerce_breadcrumb', 20 );
    add_action( 'woocommerce_before_main_content','hh_yoast_breadcrumb', 20, 0);
    function hh_yoast_breadcrumb() {
        if ( function_exists('yoast_breadcrumb')  && !is_front_page() ) {
            yoast_breadcrumb('<p class="breadcrumbs">','</p>');
        }
    }

}