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Re: [RC] Still on breeeding ............ - heidi

OK, again in your collective opinion, what would be the sliding scale of
acceptable faults in a breeding specimen - both mare and stallion?
We're talking here for endurance and / or general riding, not the show
ring or other cosmetic reasons.

It isn't a matter of "acceptable" vs "unacceptable" as much as it is a
matter of degree.  For instance, define a "long" back.  Very few horses
meet the biomechanically desireable three-circle horse.  By definition,
most have "long" backs.  But if the back is only a little bit long, and
the body is deep and the loins are strong, one can still function with it.
As a breeder, one would still try to breed away from it--but I'd rather
breed two horses with backs "a little bit" long than one with a REAAALLLLY
long back and one with a "perfect" back.

That said, I look at bodies and balance first and foremost.  Those are the
core of the athlete.  I steer away from long, shallow bodies, weak loins,
and horses that have shoulder and hip mismatched.

Unfortunately, breeding horses is not something you can do by a "recipe"
or by any sort of numerical formula.  You can assign numbers to faults and
come up with something that looks logical on paper, but it will invariably
give you a "committee-built" in reality.

Also, I know genetics and breeding in general is a crap shoot,

If you do it "in general" then yes, it becomes a crapshoot.  And this is
what too many people do--they have a "general" pedigree with no
consistency to it, and then they come away saying that the pedigree has no
prognostic value.  Well, indeed, if you have a pedigree that contains
everything genetically but the kitchen sink, and you breed that horse to
one with a similar pedigree, the "set of possibilities" includes
everything but the kitchen sink--you have "predicted" offspring all over
the map, and that is indeed what you get.  But if you have a pedigree full
of fairly consistent horses, you have limited your range of possibilities
to the genes carried by those consistent horses, and what you get will
fall within that range.

You can't get anything out of a mating that isn't in the combined
pedigrees.  The genes of the offspring aren't just plucked out of thin
air.  If you are surprised by what you get, it just tells you that you
didn't really know what is in there in the first place.

Heidi


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Riding alone is when you teach a horse all the "tools" and "cues" he needs
to handle the trail, to hold a speed, deal with hills, etc. It's also where
you develop the "bond" that causes him to "defer" to you before losing his
cool.
~ Jim Holland

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Replies
Re: [RC] Still on breeeding ............, Kristene Smuts