Livestock farmer Richard Lewis swapped his Limousin cattle for native Welsh Blacks and has seen the farm flourish.
He invested in 45 head of the cattle, which was quite an investment, but is seeing the benefits.
The farmland biodiversity has thrived from grazing the low maintenance breed and he has managed, also, to cut production costs.
Hear more about the switch in the Ffermio video.
Ffermio is the only television programme in Britain that specifically deals with agricultural issues, as well as providing all the news relevant to farmers and the wider audience.
It is a weekly magazine programme for S4C that discusses a wide range of topics from animal health to food production and conservation.
Join the presenters, Daloni Metcalfe, Alun Elidyr and Meinir Howells, for the latest agricultural stories.