A fecal sample won't run you much over 40 bucks and it really is the easiest place to start. Once you rule out or treat for parasites you can start looking at his food. Some dogs do take weeks to adjust to a new diet. Others adjust far more quickly if not immediately. You may also be looking at food sensitivity/ intolerance issues with his new kibble. If that is the case, then we can certainly coach you through how to do THAT <
she says wincing in memory of the experience
>.