There are five types of American Rabbit Breeders accepted lop varieties as well as a few other breeds being created.
The breed was recognized by the Netherlands' Governing Rabbit Council in 1964 and the American Rabbit Breeders' Association in 1979.
According to the American Rabbit Breeders' Association, Thriantas are supposed to pose short and compact, with straight ears that are supposed to be red all around.
In 1927, a working standard for black and chocolate varieties was established by the American Rabbit Breeders' Association and the first Silver Marten Club was chartered.
The American Rabbit Breeders' Association (ARBA) recommends delaying breeding of female rabbits until they reach the senior weight range.
In 1957, the American Rabbit Breeders' Association approved the black and chocolate Polish.
It is recognised by the British Rabbit Council, but not by the American Rabbit Breeders' Association.
Lionhead rabbit is one of the newer breeds of domestic rabbits in the United States, and is undergoing the American Rabbit Breeders' Association presentation process.
It is in "Certificate of Development" status with the American Rabbit Breeders' Association (ARBA).
The breed was accepted by the American Rabbit Breeders' Association in 1969 using a modification of the British standard.
