Cavapoos, Shorkies, and More Designer Dog Breeds for You

Photo by: Getty Images
Mastador (Mastiff + Labrador Retriever)
If you're looking for a protector, the Mastador is the way to go. At an average of 100 pounds, this beautiful dog will look after your brood without being overly aggressive. The Mastador isn't the best choice for families with small children though, as they're bursting with energy during their puppy years (although they typically calm down with age). Perry says the key to this (and with... more 

Photo by: Getty Images
Mastador (Mastiff + Labrador Retriever)
If you're looking for a protector, the Mastador is the way to go. At an average of 100 pounds, this beautiful dog will look after your brood without being overly aggressive. The Mastador isn't the best choice for families with small children though, as they're bursting with energy during their puppy years (although they typically calm down with age). Perry says the key to this (and with any dog) is good training and socialization at an early age, particularly at six to 18 weeks when the puppy is still impressionable.

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