My Cocker Spaniel isn't DNA Tested, but I wondered. Her Brother is Gonio - Clear, AMS - Clear and has a clear eye certificate (he's a stud dog) Her sister is GPRA - Clear and also AMS - Clear. Her Mother is AMS Clear, but her father was never tested. He is 12 so isn't affected by AMS and is still going strong. Can you get clear and carrier puppies in one litter from an (i assume, as he is very healthy at his age) carrier stud and a clear dam? There were eight puppies, and I do not know their whereabouts (rather sad)
My dog is 2 years and 6 months old - so isn't affected by AMS.

Yes you can get both clear and carrier in one litter, if a carrier is mated to a clear then pups have a 50% chance of being a carrier, they cannot be affected (for most things) if one parent is clear.

The theory (Mendels) goes as this -

Affected to clear = all Carriers
Carrier to carrier = 25% clear, 50% Carrier and 25% affected
Clear to Carrier = 50% clear and 50% carrier

So yes you can get both in one litter.

Wow your bitch's father had been busy a 131 registered litters to date & he has had no health tests done that are recorded. He could be an FN carrier as one of his pups is a carrier, however neither parent is tested so it could be the mother is a carrier.

Your bitch's mother is AMS Normal so non of her pups will be affected.

2 of your bitch's siblings have been hip scored & both have a degree of HD. Both of these dogs have been bred from despite having HD

Yes, He is popular!
Is HD a bad thing? Hip scoring isn't something I am familiar with. Also has her sister had a litter? I know that her brother has, as I have seen the litters online! Very sweet nieces and nephews. : )

Unfortunately hip dysplasia is not good at all .there are degrees of it but it's something that breeders recognise and are very careful when breeding to avoid . Same with ed.elbow dysplasia

A sister Roxy had a litter(hip score 9:11=20) to a dog with a score of 14(6:8). Not the way to improve the hip status sadly. No elbow scores & the litter was born in Feb 18 so the bitch was bred from when she was only 20 months old. Obviously not breeding to really improve the breed. A half sister has had litter to same dog this bitch had slightly better hips(5:5=10) however you don't improve hip scores by breeding a higher scored dog to your bitch

One thing I've noticed with working line spaniels is that so many dont bother to health test, ive never seen the reason for this. A good worker especially those who compete are no use if they can't work because they have developed a condition that could have been prevented or at least put the best chances forward.

Tbh i don't get any breeder who doesn't full health test. Labs for instance, some do the whole caboodle whilst some are still just doing hip scoring and bva eye testing, thats looking at dogs on mykc, shocking.