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Animal breeds

India Rishi Online
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( This post was last modified: 12-21-2018, 05:03 PM by Rishi )


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Wiki says:
Quote:The dog diverged from a now-extinct population of wolves immediately before the Last Glacial Maximum, when much of Eurasia was a cold, dry mammoth steppe biome. 

The closest living relative of the dog is the extant gray wolf, and an extinct Late Pleistocene wolf is the nearest common ancestor to the dog & modern wolf.
The dog and the extant gray wolf are
sister taxa, as modern wolves are not closely related to the wolves that were first domesticated to Paleolithic dogs.
https://www.ancient-origins.net/history/26000-year-old-child-footprints-found-alongside-paw-prints-reveal-oldest-evidence-human-canine-relationhip 

recent study suggests that domestication took place from a single population in during a short time somewhere in Eastern Asia from where they migrated, on which another fascinating research was done.

But it's likely that ancestors of dogs, weaker & docile outcasts from wild packs, may have been following hunter-gatherers for more than 40k years! 
There's no reason that feat wasn't replicated elsewhere, penally in smaller scale.

This study on genetic diversity of village dogs over the world, found high quite an amount of genetic differences in local strays, actually more than artificially created "breeds" who were basically inbred to highlight certain desired traits.
Unfortunately, need for those are mostly gone today & these once functional breeds are being turned into abominations.



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India brotherbear Offline
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I'm not sure about the scientific terminologies, but I've often wondered about if many of the brown bear subspecies are actually more like different breeds of brown bears. In other words ( my thinking ) less separated genetically. ?
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India Rishi Online
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( This post was last modified: 12-22-2018, 07:18 AM by Rishi )

(12-21-2018, 06:43 PM)brotherbear Wrote: I'm not sure about the scientific terminologies, but I've often wondered about if many of the brown bear subspecies are actually more like different breeds of brown bears. In other words ( my thinking ) less separated genetically. ?

Well, technically they have to be selectively-bred by humans with the aim of enhancing a/few specific desired genetic traits. 

Natural selection > subspecies
Artificial selection> breeds

Other than that they are the same thing... Nobody bothered to find out the subspecies in stay dogs (there could be scores), otherwise we could compare the differences between it & breeds.

Kolkata stray dog.

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North Bengal stay dog.

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Sikkim stay dog.

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India brotherbear Offline
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Thank you for clarifying Rishi  Happy
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India brotherbear Offline
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The Carolina dog runs wild right here in my "neck of the woods" very much like a dingo. 
 

http://bittersoutherner.com/carolina-dogs#.XB5AY2hKi00
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India Rishi Online
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( This post was last modified: 12-27-2018, 06:36 PM by Rishi )

I truly had zero idea that such a breed (more like a derivative of GSD) as"King Shephard" exists!

It's a new one that was developed by crossing long-coated european line of German & Shiloh shepherds along with malamutes, back in the '90s.
Apparently they don't have the tendency to get crippled with hip dysplasia at older age, due to recessive genes being expressed in purebreds.

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It's like watching Siberian & Sumatran tigers together.



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