Quite many our bred ESS are already dna tested for PRA cord 1 mutation, and so far we have been happy with the rather good results, especially in thinking how common this mutation seems to be in general in the breed. (close to 200 is tested in Finland, and approximately 30% are carriers)
Here are all results we know so far from Adamant's ESS and our imports:

All following dogs are dna tested NORMAL/CLEAR of this mutation:

Adamant's Superman (Whisborne Devil in Disguise - Adamant's Rose d'Amore)
Adamant's Estče Lauder (Whisborne Devil in Disguise - Adamant's Eye Appeal)
Adamant's Summer Fantasy (Whisborne Angus Og - Adamant's Estče Lauder)
Adamant's Lucky Strike (Mompesson Royal Destiny - Adamant's Summer Fantasy)
Adamant's Let Me See (Mompesson Royal Destiny - Adamant's Summer Fantasy)
Adamant's Let 'em Talk (Mompesson Royal Destiny - Adamant's Summer Fantasy)
Adamant's Blowing Free (Adamant's Golden Boy - Adamant's Ellen Beatrix)
Adamant's Break Dance (Adamant's Golden Boy - Adamant's Ellen Beatrix)
Adamant's Take Your Hopes (Rindi's Pablo Picasso - Adamant's World Premiere)
Adamant's Wind of Change (Mompesson Sky View - Adamant's Summer Fantasy
Adamant's World Premiere(Mompesson Sky View - Adamant's Summer Fantasy
Adamant's Show Me Heaven (High-Score On-The-Move- Adamant's Summer fantasy)
Adamant's Broadway Star (Mompesson Royal Destiny - Admant's Summer Fantasy)
Adamant's Wild and Free (Mompesson Sky View - Adamant's Summer Fantasy
Adamant's True Fashion (Springdale New Trick - Adamant's Midsummer Dream

All following are
NORMAL/CLEAR of this mutation by parentage:

(Rindi's Pablo Picasso NORMAL-Adamant's World Premiere NORMAL)

ADAMANT'S TAKE A BREAK
ADAMANT'S TAKE ATTENTION
ADAMANT'S TAKE IT EASY
ADAMANT'S TAKE THAT ALL
ADAMANT'S TAKE THAT STEP
ADAMANT'S TAKE THAT CHANCE
ADAMANT'S TAKE YOUR DREAM
ADAMANT'S TAKE YOUR WISH
ADAMANT'S TAKE THIS DANCE


NORMAL/CLEAR of this mutation by parentage:

(Linmoor Your Majesty NORMAL-Adamant's Let 'em Talk NORMAL)

ADAMANT'S PERFECT WORLD
ADAMANT'S PERFECT TRICK
ADAMANT'S PERFECT LOOK
ADAMANT'S PERFECT DOLLY
ADAMANT'S PERFECT EDITION
ADAMANT'S PERFECT FEELIN


NORMAL/CLEAR of this mutation by parentage:

(Adamant's Take Your Hopes NORMAL-Adamant's Let Me See NORMAL)

ADAMANT'S GLORIA SWANSON
ADAMANT'S GINGER GROGERS
ADAMANT'S GRETA GARBO
ADAMANT'S TOM HANKS
ADAMANT'S HARRISON FORD


Most likely a carrier:
Rowntree Pure Chocolate (Swe imp)(Whisborne Angus Og not tested - Mompesson Sweet Liberty not tested )
Adamant's Unique Print (Adamant's Superman, NORMAL - Rowntree Pure Chocolate , not tested)

Carriers:
With Touch Holy Moses (Swe Imp) (Cleavehill Lloyd's Spirit-With Touch Easter Sweets)
Adamant's So Far So Good (High-Score On-The-Move not tested -Adamant's Summer Fantasy NORMAL)
Adamant's Golden Boy (Adamant's Superman NORMAL-Adamant's Sound of Success)
Adamant's Country Girl (inu-goya Mountain Crest- Adamant's la Grande Dame)
Adamant's Rumours No More (Mompesson Royal Destiny - Adamant's Unique Print..most likely a carrier)
Adamant's Birthday Wishes (Adamant's Take Your Hopes NORMAL - Adamant's Unique Print..most likely a carrier)

Affecteds:
None yet