When the male and female dogs of the same breed have the same excellent traits, it can not only ensure the purity of offspring, but also consolidate and develop those excellent qualities of parents in offspring. This mating reproduction is called purebred reproduction.
When a male dog of a good breed mates with a female dog of another breed, because they have different good traits, they can get offspring with different good qualities from their parents. This reproduction is called interspecific hybridization.
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Development history
Castelo's direct ancestor was "Canis Pugnaxs", a fierce dog in ancient Rome. Canis Pugnaxs is an agile attack dog when hunting large wild animals. In the war, it is a soldier's auxiliary attacker.
For many years, castelo has been a loyal and considerate partner of Italians. This kind of fierce dog, which is huge and has the typical appearance characteristics of its owner, is the common ancestor of castelo and Newpoliton.
Castelo is a descendant of a fierce dog named Mo RalfLose in ancient times. They originated in Italy, but now they exist as military police dogs. In ancient Rome, people even used them to hunt lions.
References:
Baidu encyclopedia-Caselo