06:30Byd Amaeth29/12/2012BBC Radio Cymru Duration: 30 o funudau Tue 1st Jan 2013, 06:30 on BBC Radio CymruY diweddaraf o'r byd ffermio gyda Dei Tomos. The latest farming news with Dei Tomos.GenresFactualScience & NatureBrandByd Amaeth Source: BBC Online