Administrator & Alpha Bitch of the Wild Bunch
Join Date: Dec 2001
Location: Michigan, USA
I wouldn't throw the baby out with the bathwater. Like all health issues, it has to be weighed in terms of many other factors. There are also far worse issues that a dog could produce than MegaE. Especially if it is a mild case that the dog outgrows. Severity, frequency of occurrence, and what the dogs have to offer in terms of other temperament and health traits to their pups all need to be taken into consideration.
We had ONE pup in a litter of 9 with MegaE. Jenn's Glory. She outgrew symptoms in puppyhood. No other pups in the litter were affected. Neither sire nor dam was retired due to that one pup. The dam had one more litter with a different sire, 11 pups, no MegaE. So 20 pups total from the dam, only 1 MegaE. The sire has had several other litters to total many dozens of pups, with several different dams, all with no MegaE. Two full sisters and one half sister of the dam have also been bred, producing several other litters between them, with no MegaE in any of those either.
So there would certainly appear to be much more complexity to the inheritence of this disorder than a simple autosomal recessive as some believe. And it's not impossible that as with other similiar disorders, inheritance in one breed isn't the same as in other breeds. Regardless of means of inheritance, people have to keep the total dog in mind as well as overall production record. If every dog is eliminated from breeding if it produces one undesireable trait or pup, even if pretty severe, there won't be many dogs left to breed.
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