Powys 'mega' 1,000-cattle dairy public inquiry begins
5 March 2013 Last updated at 15:27 GMT
An inquiry has begun into Powys council's decision to refuse planning for a 'mega' dairy which would house 1,000 cattle.
Farmer Fraser Jones wants to build one of the first "mega dairies" in Wales at his farm in Leighton, near Welshpool.
Local residents and animal welfare groups have opposed his plan.
But Mr Jones said he had gone to great lengths to address all the concerns.
The plans include three large buildings, a fodder storage unit, two slurry stores and a water storage tower.