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RE: [RC] [RC] conformation dogs/horses - ranch

"...As you noted, things tend to fall apart when you start doing interspecies
comparisons at a lope, canter or gallop. Then you're getting into too many
variables..."

I have never seen a dog that trotted wide behind.  Does any breed do this?  But 
I am in agreement that the study of movement of dogs and other animals can 
sharpen one's eye when it comes to appreciate horse movement.

My comments were based on size considerations as a limitation to the evolution 
of gaits etc.  Since my earlier comments I have come up with a thought 
experiment that may clear things up a bit:

1. Consider a greyhound dog, a horse and an elephant magically scaled to 24" 
high at the shoulder.  The dog and horse weigh about 60 lbs, I think the 
elephant would be somewhat heavier.  All three would be able to do their 
characteristic gaits.  The dog, because it has a flexible back would be more 
efficient and faster than the horse.  The elephant would still walk because of 
angulation and flexibility issues and would be the slowest.

2. Take the three and make them 15 hands high.  The horse would be a horse.  
The dog would find that its back was to weak and he would be in great 
difficulty.  He would probably die young.  The elephant would still be OK, but 
slow.

3. If they were magically made the size of a elephant. The dog and horse would 
not be able to stand because of lack of strength and if they did their leg 
bones would snap.  The elephant would continue to be an elephant.

Thus we can see that while animals the size of dogs could be built like horses, 
animals the size of horses can't be build like dogs.  Thus one has to make sure 
that all of the scaling criteria are met when comparing animals of different 
sizes.

I found scaling of products from the laboratory to the factory to be the most 
difficult part of my job as an industrial inventor.

Ed
Ed and Wendy Hauser
2994 Mittower Road
Victor, MT 59875

ranch@xxxxxxxxxxx
(406) 642-9640
Cell: (406) 544-2926


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