That is probably one of the last guns I would use to go dog hunting. I am taking my 7mm to Africa to hunt big game. And as far as the ballistics that is not a flat shooting gun. It has a lot of energy but to heavy. Here is a link with the ballistics.
http://www.gunsandammomag.com/ballistics/7mm_08_rem.html
I would recommend the .204 Ruger. The flatest shooting caliber made and fastest. Look i