Collie Eye Anomaly (CEA), commonly known as "Collie Eye", is a genetic disease which causes improper development of the eye and possible blindness, is a common ailment in the breed. More rarely, Collies can be affected by Progressive retinal atrophy (PRA), another genetic disease in which bilateral degeneration of the retina results in progressive vision loss culminating in blindness. For more information
on this disease, click on the links below.
Collie Eye is the biggest health issue of collies. If collie eye is severe enough, the collie can go blind. Tests be done to insure we are breeding to produce puppies that won't go blind from CEA. With doing DNA testing on the parents, we can mate our collies so that the offspring will not have collie eye.
Highland Collies strive to produce only normal eyes. And more over, producing non carriers is our optimal goal. Here is a genetic chart for breeding.
Collie Eye Anomaly
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RESOURCES
Garlind Ridge Collies
Collie Health Foundation
Optigen Testing
Wikipedia
Collie Eye Anomaly
Genetic chart for breeding
Both parents are affected with collie eye
Puppies= all affected
Puppies= all affected
One parent is normal eye but a carrier of collie eye
The other parent is affected with CEA
Puppies =1/2 normal carriers
½ affected
The other parent is affected with CEA
Puppies =1/2 normal carriers
½ affected
Both parents are normal eyed carriers
Puppies=1/2 normal eye carriers
¼ normal eye non carriers
¼ affected
Puppies=1/2 normal eye carriers
¼ normal eye non carriers
¼ affected
One parent is a normal eye non carrier for collie eye
The other parent is affected
Puppies=all normal eye carriers
The other parent is affected
Puppies=all normal eye carriers
One parent is normal eye non carrier
The other parent is normal-eye but a carrier
Puppies=1/2 normal eye non carriers
½ normal eye carriers
The other parent is normal-eye but a carrier
Puppies=1/2 normal eye non carriers
½ normal eye carriers
Both parents are normal eye non carriers
Puppies=all normal eye non carriers
Puppies=all normal eye non carriers
"Your Collie's Eyes"
"Your Notheast, All Natural Collie Breeder"
