06:00Byd Amaeth08/12/2012BBC Radio Cymru Duration: 30 o funudau Sat 8th Dec 2012, 06:00 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