HIP STATISTICS
In The Canine World




Here are the OFA statistics regarding hip health in the breed along with some hip stats from some other breeds for comparison purposes (these figures are current as of Nov 26, 2004)...

CANE CORSO--
Total evaluations: 244
Normal: 60.2%
Dysplastic: 36.9%
Rated excellent: 6.1%

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BULLDOG--
Total evaluations: 315
Normal: 23.5%
Dysplastic: 74.9%
Rated excellent: 0

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PUG--
Total evaluations: 248
Normal: 39.5%
Dysplastic: 58.1%
Rated excellent: 0

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ST. BERNARD--
Total evaluations: 1827
Normal: 51.1%
Dysplastic: 46.7%
Rated excellent: 4.1%

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NEAPOLITAN MASTIFF--
Total evaluations: 122
Normal: 49.2%
Dysplastic: 46.7%
Rated excellent: 0.8%

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DOGUE DE BORDEAUX--
Total evaluations: 183
Normal: 44.8%
Dysplastic: 52.5%
Rated excellent: 0

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AMERICAN BULLDOG--
Total evaluations: 995
Normal: 63.8%
Dysplastic: 33.1%
Rated excellent: 4.8%

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ARGENTINE DOGO--
Total evaluations: 102
Normal: 67.6%
Dysplastic: 31.4%
Rated excellent: 3.9%

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CANE CORSO--
Total evaluations: 244
Normal: 60.2%
Dysplastic: 36.9%
Rated excellent: 6.1%

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CANE CORSOS born '90-'92
Evaluated: 6
Dysplastic: 33.3%
Rated excellent: 0

CANE CORSOS born '98-2001
Evaluated: 139
Dysplastic: 33.1%
Rated excellent: 7.2%

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Due to my personal experience as a Cane Corso breeder, I used to think that hip problems in the breed were very minimal. As of 2004 I've been involved with the breed for 9 years now and was among the 1st to breed them in the country. When I started, there were only about 6 or 7 of us in the entire Western Hemisphere breeding them. To date I have about 180+ Cane Corsos scattered around the USA, Canada, Mexico, and Venezuela. The breeder is always the 1st to know when there is a problem with a dog as the customer will call and inform them. To date I've received only 7 reports from customers informing me that their vet felt from X-ray diagnosis that the hips were too loose. It should be noted that there are some breeds which typically have looser hips than others and never exhibit any outward symptoms unless there is a severe malformity. The Cane Corso is one of these breeds. There have periodically been customers of mine who already own COLOSSEUM SHADOWS Corsos who desired to purchase another of a completely unrelated bloodline from somewhere else to perhaps breed with their COLOSSEUM SHADOWS dog(s). I used to refer them to some other breeders. About 4 years ago I referred 5 of my customers to some other breeders -each one a breeder that only bred OFA'd stock. Only a year later 2 of those 5 customers of mine called me to inform me that the Cane Corso they purchased from the breeders I'd recommended ended up quite dysplastic and were symptomatic. That's 2 out of 5. That's a high incidence! At that point I realized that there were some breeders who were having some real struggles with the hip health in their lines. I periodically receive calls from folks inquiring about the hip health of my dogs, "Because", they tell me, "the Cane Corso we bought from so-and-so is quite dysplastic." With this info I came to know that all wasn't as I had thought out there in Corso land. Others breeders weren't having the same experience I've had. I've had 2 other Cane Corso breeders state that I'm just lucky to have started with the lines I did. Luck or not, I'm proud of my own COLOSSEUM SHADOWS statistics. 7 of 180+ is a blessing compared to the percentages breedwide. And of those 7 reports of my own, 4 of them were only typically loose as so many Corsos are and showing no symptoms whatsoever. The vets that had looked at the X-rays were new to the breed, had never seen a Cane Corso, and were completely unfamiliar with them. They had compared what they saw to other breeds that have little to no tolerance to hip laxticity.

It is very instructive to note (and very surprising to many) that of all Cane Corsos born in '90-'92 which were OFA tested, the percentage rated "dysplastic" was 33%. When you compare that to the 139 Cane Corsos born nearly a decade later in '98-2001 which were subsequently OFA tested (some of which came from OFA cleared parents) you see that there had been NO CHANGE: 33% rated dysplastic then, 33% rated dysplastic nearly a decade later.
NOW let's bring things up to date...As of Nov 26, 2004, 244 Cane Corsos have been OFA tested (many having been produced by OFA cleared parents) and yet the percentage of those rated "dysplastic" by the OFA has gone from 33% to 37% -that's an INCREASE of 4%!! OFA testing has made no difference, has had no impact. There has been no "improvement" in the "statistics". Hip testing has been going on in the German Shepherd world MUCH longer than here in the Cane Corso world and we see that OFA testing hasn't helped there either!
Conclusion: it doesn't appear that OFA testing is doing a thing to eliminate or even lessen the percentages of dysplasia that appear in the canine world. Apparently (whether Corso, Shepherd, or any other breed for that matter) the increasing numbers of OFA tested and clear breeding stock is still producing the same amount of dysplastic offspring as they always have whether tested or not. The real test is in the actual product (the dogs produced) of a particular line and how the offspring of that line actually performs. The numbers/percentages/stats don't impress me (how can they when there isn't any improvement in them) -what impresses me is the actual performance of the dogs being produced. That's all that matters in the end. If a higher percentage of my dogs can run faster, jump higher, and perform like a Cane Corso ought to when compared to other breeder's product, I'm not going to be crying about it. Those who cry the loudest and the longest are where the problems usually lie.

-Randall C. Todd,
COLOSSEUM SHADOWS
---CANE CORSO---
ph: 520-297-4554








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