No , I haven't had any experience with those cow lines. In my herd I have Playful Cait , Augusta Pride , Dream Girl, Shadra, Anndelle, Mary , Charming Constance, among others.
Is Jake's Proud Jazz as small as he looks in pictures? And would he work well on a Waukaru Minnie cow that has a frame score of about 7.5? She is the mother of our herd sire and has had nice calves, but I wanted to maybe make the calves a little clubbier and still be purebred.
One of his owners told me that he would downsize a score or two, add muscle , and add style. Based on that I would say he would work well on the Wakaru Minnie cow.