High country Romneys have been selecting for worm resistance longer than any other flock in the UK and has put a large amount of selection pressure on this trait over the years. Lambs have individual fecal egg counts taken which then assigns them their worm resistance EBV’s. Animals with better FEC EBVs require less drenching and shed less worm eggs onto pastures.
Fly strike resistance
As well as being a welfare concern, fly strike is a costly ailment to treat and to prevent. It is our aim to eliminate all preventative fly spraying in the future.
If a stud ewe gets fly then we will cull it. In addition, all stud sheep are dagg scored each year to quantify how daggy they are. This feeds into their Dagg score EBVs determines how predisposed to daggs they are. Using these principles we have already seen a reduction in fly cases in recent years.