There are a number of different breeding methods, some good, some bad. Outstanding breeding success can be achieved and has been achieved in a variety of different ways.
One of the great Greek Molossers, the Hellenikos Poimenikos is an ancient working dog, valued for its intelligence and trainability
In many respects, dogs have a unique relationship to humans. They were the first domesticated species, serve as valuable companions and service animals, and have been bred to exhibit more phenotypic diversity than any other mammal.
David Crews, Ross Gillette, Samuel V. Scarpino, Mohan Manikkam, Marina I. Savenkova and Michael K. Skinner
PNAS 2012 June, 109 (23) 9143-9148. https://doi.org/10.1073/pnas.1118514109
Originally developed in Detroit's Metro area, the early Panja Mastiff was a result of crossing Pit Bull Terriers, Rottweilers and Bandogs
This legendary American breed was developed from various lines of old fighting bulldogs and bullterriers, such as the Irish Bulldog, Staffordshire Bull Terrier, Dudley Terrier, Irish Staffordshire Bullterrier, English Bullterrier
This rare Romanian mountain dog has roots in ancient times and is closely related to other Balkan Molossers, most notably the Sylvan and old Pannonian Herders, as well as the mastiffs of Central Asia
The Pshdar Dog, also know was the Kurdish Shepherd Dog, is an ancient livestock guardian breed of the Kurds.
Polish Tatra Sheepdog - Owczarek Podhalanski
The Alpha-Rollover is sometimes used incorrectly to establish order. In this article the PuppyWizard Mr. Jerry Howe, author of the Wits End Dog Training Manual explains...
This is truly an ancient breed, considered by some to be of pre-Molossian origin.
This old breed is very rare today, often seen as a variant of the Croatian Tornjak, even though it is a much older dog
The Mexican Bulldog was initially developed from imported Perro de Toro Espanol and Alano Espanol representatives as a superiour large game hunting and bull baiting dog, but in the late 1800's early American Bulldogs and Pit Bulls were introduce…
Descended from ancient Molossian war dogges and Sylvan drovers brought to western Europe by the Romans who used them to accompany their troops and cattle across the Alps and guard their camps.
Originally developed by crossing the old European bulldogges, bullterriers, bandogges and mastiffs brought by the Spanish conquerors with the local island dogs
The best description of a molosser by Desmond Morris.
The 7 Stages of Puppy Development By: Charlie Lafave
There was a time, when aboriginal dogs were the only dogs available
The breed standard forthe Boz Shepherd
A prominent member of the Spitz group