OFA Fair mated with OFA Excellent?

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Postby TheRedQueen » February 9th, 2009, 12:31 pm

We have an offer of a puppy (for service work) from a breeding where the dam has OFA Fair hips, and will be bred to an OFA Excellent dog. The breeding has not happened yet.

The dam's parents were Good and Fair, and the grandparents were all Good. The other health tests came back fine (thyroid, patellas, eyes, heart, elbows, etc). The dam is also a breed champion, and is working on her CD title. The "breeder" will be doing one breeding only...but wants to donate a pup to us.

What are the chances for good hips from a pup from a breeding such as this? :? Do we pass, or take her up on the offer? :|

My initial thought is to pass, but I'm not that good with breeding stuff. ;) We've not had good luck lately with labs and hips.

All thoughts welcome!
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Postby katiek0417 » February 9th, 2009, 12:45 pm

Just because a dog has fair hips, doesn't mean that she will pass that on...

You can breed 2 OFA Goods, and get poor hips...you can breed 2 Poors and get a Good...you can breed a poor to an excellent and get a fair...and so on...

How old is the dam? How old was she when she was tested? What breed? (I'm assuming lab)
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Postby pitbullmamaliz » February 9th, 2009, 12:50 pm

If OFA ratings aren't a predictor of their progeny's hips, why do it?
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Postby mnp13 » February 9th, 2009, 12:59 pm

You have to look at more than just the parents to get an idea of what you'll get. Siblings are probably the best tool, as well as parents and grandparents. Hips can be affected by early injuries, x-rays can be greatly affected by the expertise of the vet - in a postive or negative manner - and many other factors.

Fair + Execllent would end up good on paper. :|
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Postby katiek0417 » February 9th, 2009, 2:03 pm

pitbullmamaliz wrote:If OFA ratings aren't a predictor of their progeny's hips, why do it?


Because it has become a standard...personally, I prefer PennHip...but I've said that...hips can look bad on x-ray for a variety of reasons (injury, old age, etc)...but that does not mean they are GENETICALLY dysplastic...because PennHip is done early on, it gives a correlation of how likely the dog is to be dysplastic when it gets older...(genetically dysplastic, that is).
"Rumor has it, compulsion is evil."

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Postby TheRedQueen » February 9th, 2009, 2:39 pm

We PennHip all of our SD/HD pups...so I'm getting more used to those scores and haven't seen OFA much lately!

The dog is indeed a lab, and is 2 1/2 years old...OFA'd at 20 months.

So, should I go ahead and accept a pup? :|
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Postby katiek0417 » February 9th, 2009, 2:45 pm

TheRedQueen wrote:We PennHip all of our SD/HD pups...so I'm getting more used to those scores and haven't seen OFA much lately!

The dog is indeed a lab, and is 2 1/2 years old...OFA'd at 20 months.

So, should I go ahead and accept a pup? :|


OFA isn't accurate until 24 months...the dog shouldn't have been OFA'd at that age...
"Rumor has it, compulsion is evil."

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Postby TheRedQueen » February 9th, 2009, 2:53 pm

katiek0417 wrote:
TheRedQueen wrote:We PennHip all of our SD/HD pups...so I'm getting more used to those scores and haven't seen OFA much lately!

The dog is indeed a lab, and is 2 1/2 years old...OFA'd at 20 months.

So, should I go ahead and accept a pup? :|


OFA isn't accurate until 24 months...the dog shouldn't have been OFA'd at that age...


Sorry, typing too fast...preliminary at 20 months were good...27 months came back OFA'd fair
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Postby pocketpit » February 9th, 2009, 6:45 pm

I never understood the ratings OFA gives. Either you are dysplastic or you're not. It's not the same panel of vets judging films all the time so things are very subjective. I don't put a lot of faith in their ratings. Don't get me wrong, I think their criteria for pass/fail is good but "fair, good and excellent" have not been consistent ratings in my experience.
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Postby katiek0417 » February 9th, 2009, 7:48 pm

pocketpit wrote:I never understood the ratings OFA gives. Either you are dysplastic or you're not. It's not the same panel of vets judging films all the time so things are very subjective. I don't put a lot of faith in their ratings. Don't get me wrong, I think their criteria for pass/fail is good but "fair, good and excellent" have not been consistent ratings in my experience.


Agreed...I've had my vet tell me that he thought hips looked great, and they came back as fair...

It's not an exact science...
"Rumor has it, compulsion is evil."

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Postby Hoyden » February 10th, 2009, 8:39 am

Hmmm. I really need to read more on this and understand this.

I have to start thinking about training a replacement for Birdie in a year or so and this time, we're getting a puppy so I can raise him. Good hips are important as my dog has to bear my weight when I get up and down.
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Postby katiek0417 » February 10th, 2009, 8:31 pm

Hoyden wrote:Hmmm. I really need to read more on this and understand this.

I have to start thinking about training a replacement for Birdie in a year or so and this time, we're getting a puppy so I can raise him. Good hips are important as my dog has to bear my weight when I get up and down.


Many police departments and gov't agencies are now looking to PennHip for their standard measurement...

At least for me, I am starting to have all my breeding dogs checked with PennHip...
"Rumor has it, compulsion is evil."

Katrina
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Drusilla SLUT- Pet
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Axo - Psycho Puppy
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Postby Leslie H » February 10th, 2009, 9:49 pm

I would chance it, myself, especially w/the background of the female's parents, grandparents. One thing I like about OFA is you can search the database, if you know even part of the dog's registered name. That allows you to check sire, dam, sibs and half sibs.

I'm OK w/OFA. In a perfect world (IMO) everyone would do both Pennhip and OFA, as a young dog (like 6 months) and again at or after age 2.
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Postby katiek0417 » February 11th, 2009, 3:00 pm

Leslie H wrote:I would chance it, myself, especially w/the background of the female's parents, grandparents. One thing I like about OFA is you can search the database, if you know even part of the dog's registered name. That allows you to check sire, dam, sibs and half sibs.

I'm OK w/OFA. In a perfect world (IMO) everyone would do both Pennhip and OFA, as a young dog (like 6 months) and again at or after age 2.


Agreed!
"Rumor has it, compulsion is evil."

Katrina
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Nemo - Dual-Purpose Narcotics
Cy TC, PSA 1, PSA 2, 2009 PSA Level 3 National Champion
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Rocky - RIP My Baby Boy
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