Sentences with phrase «merle eye defects»

Not exact matches

The «double merles» will also have developmental eye defects which in Aussies are generally severe and may be deaf if there is extensive white on the head.

Double merle dogs are more likely to have defects within their eyes, which will require an exam by a veterinary ophthalmologist for proper diagnosis.

Visible eye defects are often the easiest way to determine whether a dog is a Pattern White or a Double Merle.

Double merles typically have a lot of white and eye defects.

As already stated, the visible eye defects common to Double Merle dogs are generally stable (what the pup is born with is what the adult dog retains).

Microphthalmia, or an abnormally small eye, is the most common eye defect seen in homozygous merles.

When a dog inherits two copies of the merle gene it virtually always has serious eye defects.

Even discounting the eye defects that result from merle - to - merle breeding, they are still one of the most likely health issues a breeder will encounter.

But a few of these dogs will have what we consider «normal» merle coloration and eye and hearing defects are not always severe.

Virtually all homozygous merles have abnormally small eyes and / or a plethora of other defects.

However, there is a 3 % chance of a cryptic to merle breeding producing double merles, defined by excessive white and / or typical eye defects.

If two dogs with the dominant merle genes bred together, there's a 25 % chance that the pups will have a double merle gene, which creates an extreme lightening of the coat and often deafness and eye defects.