I understand, now, Susan,
We are essentially doing the same thing. The only reason I sometimes
wait to do the two year old xrays is because I generally don't breed any
dog prior to that age and may have to select out for other problems at
that age anyway. I breed so infrequently that it would be unusual for
me to have to run on more than a couple of dogs.
Laura.......are you using prelims the same way? If so, how can you be
testing whole litters?
Best,
Suze
Susan Cochran wrote:
> Suze, I am saying that a breeder can rapidly improve the hips of
> their dogs by using hip x-rays and removing the defective dogs from
> their breeding program. I use prelims because I want to know when a
> dog is 1 year old instead of when it is 2 years old. This makes a
> difference in my decisions and plans for the future of that dog. In
> other words, I don't want to plan my breeding program around a dog
> that will be neutered/spayed. It is easier for me to place a dog that
> I have had a year, than to place one that I have had for two years.
>
> I don't advocate testing young puppies as this is not practical. I do
> prelims at one year of age.
>
> All the best, Susan Cochran
>
>
>
>
> ----- Original Message ----- From: "Susan A. Schlenger"
> <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Saturday,
> October 19, 2002 5:05 PM Subject: Re: [CKCS-L] was Tri colors now
> health in colors
>
>
>
>> Hi, Susan, I accept your numbers and find them interesting. I'm
>> curious to
>
> know
>
>> what breed has improved with selection pressure in terms of HD?
>> Last I heard, goldens and shepards and other breeds for which HD is
>> a high incidence occurence were still facing problems......am I
>> wrong about that? I would be very interested to learn more about
>> this. I would LOVE to hear that HD had diminished with selection
>> pressure. Though, you will have to tell me if the mode of
>> inheritence is the same or similar in all canines?
>>
>> And, are you saying that due to mode of inheritence one needs to
>> test all in a litter for information? Other than placing a pup as
>> a pet who tested poorly, what further do you do if you find HD?
>> (Obviously, I am wanting to know why prelims are important rather
>> than adult x-rays on breeding animals?)
>>
>>
>> You (and Leanne and others) are always a fount of knowledge! <G>
>> Perhaps that is why I ask so many questions.
>>
>> Suze (open to new information!)
>>
>> Susan Cochran wrote:
>>
>>> The thing that really impresses me is that selection pressure is
>>> highly effective against HD. This is the reason that we do
>>> pre-lims on our
>>
> dogs. I
>
>>> occasionally do the permanent x-ray. It depends on what the
>>> pre-lim
>>
> grade
>
>>> was and whether the dog has made a major contribution to my line.
>>>
>>>
>>> All the best, Susan Cochran
>>>
>>
>> -- Suze at Llawen Cavaliers "...I have seen that in any great
>> undertaking it is not enough for a man to depend simply upon
>> himself." -Isna Ia-wica "Thought comes before speech" Luther
>> Standing Bear
>>
>> (c) Susan A. Schlenger 2002 All Rights Reserved Do not forward
>> without permission of the author.
>>
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>
>
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--
Suze at Llawen Cavaliers
"...I have seen that in any great undertaking it is not enough for a man
to depend simply upon himself." -Isna Ia-wica
"Thought comes before speech" Luther Standing Bear
(c) Susan A. Schlenger 2002 All Rights Reserved
Do not forward without permission of the author.
=========================================================
"Magic Commands":
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