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Amazing Aussies Lethal White Rescue of Arizona, Phoenix, Arizona. 12,436 likes · 136 talking about this. We rescue dogs that have been bred Merle to Merle which causes them to be born deaf, blind or...
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Lethal White is properly used to describe a condition found in horses, but it is not a correct term for an excessively white dog. White in Aussies. There are basically two ways for Australian Shepherds to have too much white in their coats. The first is commonly called Pattern White, and the second is called Double Merle.
People also ask
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- Why Is A Double Merle called A "Lethal White"?
- What Does "Merle" Or "Double Merle" Mean?
- What Health Problems Do Homozygus Merles have?
- Hearing Problems in A Double Merle
- Vision Problems in A Homozygous Merle
- Are Pattern Whites The Same as Homozygous Merles?
First, I should mention that the phrase lethal white although it has become popular in describing double merle Australian Shepherds has been misappropriated from a condition that afflicts Paint Horses with overo coat patterns. This condition is called Overo Lethal White Syndrome (OLWS). In Paint Horses the foal is born entirely white or nearly all ...
Merle refers to the pattern in the coat and is not a color.The white and gray patterns that appear on a black Aussies make them appear to have a blueish cast. These are called blue merles. Merling occurs in all the normal Aussie colours such as the red merle. Again the merle is not the color of the dog it is the white or lighter patterns between th...
The health consequences vary from mild to severe affecting hearing and/or vision.Some puppies are born deaf, others blind and in the worst cases both.
Deafness resulting from a merle to merle breeding usually develops shortly after birth. During this time the ear canal is still closed. The white coloration of double merles is the result of a lack of pigment producting cells (melanocytes). One of the functions of these pigment cells is to provide high potassium levels in a fluid (endolymph) that s...
Homozygous merles can also have vision problems up to and including total blindness.Merle Ocular Dysgenesis refers to a group of eye problems associated with merle to merle breeding. This list includes iris coloboma or other deformations of the iris, cataracts, retinal detachment, persistent pupillary membrane, lens luxation (displacement of lens),...
Although homozygous merles and pattern whites can look similar, as they can both be predomininatly white, the main difference is in what causes the coat to be white. With pattern whites or "Mismark Aussies" the underlying cause is not the double inheritance of the merle gene (MM). It is due to the influence of a white spotting gene that determines ...
Amazing Aussies is dedicated to rescuing Lethal White Australian Shepherds and matching them with new forever families while raising awareness to eradicate Merle-to-Merle breeding through educational programs.
Amazing Aussies Lethal White Rescue of Arizona. PO Box 26501. Scottsdale, AZ 85255. Get directions. view our pets. questions@amazingaussies.com.
Jan 30, 2024 · The lethal white gene is real, but it typically affects paint horses and is known as overo lethal white syndrome ¹. It causes foals to be born with a dysfunctional colon, and this sadly causes death within a few days. These foals are also mostly white, which explains the “white” part of the term. Australian Shepherds born almost completely ...
A Lethal White Aussie is the result of breeding two Merle Aussies together. Because the Merle gene (M) is dominant, statistically 25% of a Merle-to-Merle litter will be Lethal Whites. These pups can be born blind, deaf or blind and deaf. They will not die because they are born this way; if correctly cared for, these pups can live a normal and ...
