Claystone Gladiola, Claystone Herefords, Bungendore, led by Christian Allen and the calf by Stacey Moffitt.
Claystone Herefords, Bungendore, were on winning streak at the Canberra Royal Show on Saturday.
Claystone Gladiola, first won her class for cow over 30 months, then went on to be sashed senior and grand champion female and supreme exhibit.
The cow was also sashed supreme white face champion.
The Hereford judging was done by John Manchee, Narrabri, who said the cow and calf were outstanding, had a lot of potential and will both give plenty back to the breed.
Champion senior and grand champion Hereford bull went to Gunyah Zapper, Gunyah Herefords, Cooma.
The bull weighed 1062 kilograms and Mr Manchee described the bull having a lot of character through his head and good muscle.
