Pet Description: Mack is a large and in charge Australian Cattle dog. He is around 7 years young and is working on getting in shape for summer. This handsome fellow already knows the basics when it comes to commands. He has graduated from basic training with high recommendations from his handler. Mack is leader of the pack when it comes to other dogs and doesn't like other dogs pulling rank. He is quite a hit with the ladies and usually has them eating out of his paw in no time.