Overview: Adam Henson celebrates the `golden fleece' of the rare-breed Cotswold sheep that brought wealth to the region, while in South Yorkshire, Helen Skelton and Jules Hudson join farmers Rob and Dave Nicholson as they face a pig emergency. Elsewhere, Plus, The Yorkshire Vet's Shona Searson tries to save a sow and her litter of piglets and sheep farmer Phil Heard dons his ten-gallon hat to drive his flock onto Dartmoor, cowboy-style.