Relying totally on grass and forage and eliminating bought-in feeds is the crux of running a profitable sheep production system, according to Northumberland sheep producer Duncan Nellis. Back in the 1990s the family was running about 850 Mule ewes attheir Thistlehaugh Farm, near Morpeth, but even in years when prime lamb prices were considered to be good, the amount of cash having to be reinvested every year in flock replacements was a major drain on income. It triggered a rethink.
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