Was reading up about Bullmastiff's that have pale eyes and masks and saw that they were called Dudley's! Wondering if anyone knew more about this or have owned one.  My youngest one has green/amber eyes and a chocolate mask very attractive though I know if he had been for showing this is a fault.  He is just a much loved pet.  Both parents were Bullmastiffs both red.

Dont know other than an incorrectly pigmented nose is called a Dudley nose.

That's interesting because his nose is pinky/liver coloured.

http://bullmastiffinfo.tripod.com/dudley.htm
http://advisory.bullmastiffinfo.org/medicine/cosmetics_dudley.htm

Its a cosmetic, genetic problem.

I don't own a dudley, but a very pale choc Labrador, her skin pigmentation is pink as opposed to the normal black/grey.  I've had her next to a dark fox red and she is paler in tone, but a different colour. 

With Labs, you can get dudley's from a yellow/choc mating I believe, where the yellow doesn't have the correct skin pigmentation.  Interesting to read about it in other breeds as well though. 

Does anyone know how or why the word Dudley became associated with this condition?

I'm just curious as it seems a rather unlikely word to use!!

I think, from memory, it was associated with a bull breeds, that had the wrong pigmentation, but can't for the life of me find the article I read that refers to the original 'dudley'. 

Cosmetic genetic problems include longhairs and Dudley's. These are recessives and not common. The Dudley, named after a notable Bulldog breeder of the 1800s, the Earl of Dudley, is a lack of pigment in the mask. It can be liver colored or simply not present. These dogs can be confused with Dogue de Bordeauxs even if you know the breeds well.

Above taken from Wiki when googling 'Dudley Bullmastiffs'

I first read about it in a book about Staffords a few years ago - can't remember which book but it was some years old, a bit of a classic book re history with lots of photos of old champions in it, one of the older publishers. Got it second-hand from a stall at a country fair for a friend who had just got a pet Staffy pup (called Dudley!) but read it myself before handing it on.

Be the next rare colour soon and people wanting more money for it, even though it's classed as a fault. Same with chocolate and blue frenchies, a large fault but if you want to get into this rare colour it will set you back £3500!!!! Badly bred and reared, very poor examples of the breed.

I think there are varying degree's of Dudley's from a pink nose with a light mask to a dog with little or no darker colour on the face at all/ Iv recently bought a brilliant book called 'The Bullmastiff a Breeder's guide', its not about how to breed a bullmastiff but rather the dogs construction and colour, in one section there was a dudley and he looked much like a yellow lab. 

Interestingly Iv just looked at the book as it has all the champions past and present in and many of the Farcroft dogs (founder to most bullies today) have little or no masks and I know off subject but just as interesting.....

"A puppy from such stock has now appeared both on an Australian litter and one on the Continent in a Pie- bald coat, rather like a Landseer Newfoundland. A pure- bred Bullmastiff like this has already appeared in the USA".

This book argues that a bullmatiff is not a mastiff bulldog cross but a merging of many old mastiff stock hence why every now and again a Dudley, long coat or even a Pie turns up.

that's really interesting. Our boy is now 12wks old and has green/amber eyes now and a chocolate mask.  Very attractive, will have to see how he develops!

I didn't realise he was that young, all puppies are born with lighter eyes and mask they do however tend to turn darker at about 7/8 ish weeks and sometimes later depending on what lines he is from, his coat colour will continue to change.

Usually dudley's turn up with continued fawn to fawn mating and becomes dilute, i'm surprised its happened with red to red maybe a grandparent had a weak mask, or if you look through the pedigree you might find there are no brindle's as close relatives to help fix a stronger colour.