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Breeding for Conformation (HELP WANTED!)

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Breeding for Conformation (HELP WANTED!)

#189855 Posted on 2018-09-24 04:51:12

I'm actually starting to do a statistical analysis of conformation inheritance (from this other thread):

I added a few more horses to my spreadsheet and made some graphs. Note that all these points are for individual sections of conformation (i.e.: head or neck) not the average for the horse.

Parent Average Score vs Foal Score
https://imgur.com/YluwUe2

The orange line represents perfect correlation (foal score = parents average). It shows that while there is definitely a correlation between parent average and foal score, there is a huge variation around that average. It also shows that as the parent average increases, the variation seems to decrease. However, all these data points are from my own lines which are matched for conformation so this could well be some artificial artifact.


Difference in Parent Scores vs. Foal Scores Difference From Parent Average
https://imgur.com/TYwV3NV

This shows pretty strongly that the bigger the difference in the parent's scores, the greater possible variation in the foal's score.

Nothing surprising really, but it's nice to know I'm on the right (slow, frustrating) track.



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#189856 Posted on 2018-09-24 04:51:45

Double post.

Last edited on 2018-09-24 at 04:52:06 by Almárë


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#189933 Posted on 2018-09-26 06:29:43

on my thread some one did a good study... and its been helping me out a bit.

turns out its mom and dad averaged,  and say who many points between mom and dads skill set determines how many points are going to be off from that.

So if you breed a 67.00 with a 67.00 your going to get a 67.000 but if you breed a 66.something and a 70. something.. you can get a 67.something ( actually happened with one of my fouls)  or you could get something lower then mom or higher then dad but its generally going to be close to ware the " average " lands.

Checking some of my foals other people bred, I found you generally want a 15 to 5 point gap between mom and dads conformity to climb  

though its slow so very slow...


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#198095 Posted on 2018-12-31 12:06:36

@ Sheila: I realize this was a long time ago, but Maple pretty much said what I would have in this case.  I don't go by a logarithm or formula because it's not as exact as with stats.  There's variation, and there are foals that will be better than, worse than, or equal to the parents in quality.  I go down through the list of traits, find the weakest ones, and breed to another parent who is significantly stronger in those respects, preferably even stronger there than anywhere else.  The big thing is to avoid keeping foals that are lower overall confo than both parents, unless perhaps they are more balanced than both parents.  I actually like a foal that has a full line-up of 60 to 65 confo traits better than one where the traits range randomly from 60 to 95 confo.

Also, I might add that breeding out anything below a certain level of confo is a good place to start.  I do not recommend keeping any animal with an average confo below 50, and you'll be better off if you keep nothing below 55 confo.  Take it one step at a time...my first step in a breed that doesn't have super high confo lines is usually to get everything to a minimum of 60 confo.  Then I raise the bar by 5 at a time.  I'm almost to the point of all 60 or higher confo in my Friesians; my next step is 65 or higher.

My other method is to put confo at the top of my priority list.  Instead of shopping for animals based on stats, I shop based on confo, favoring those with the right specialty and higher stats.  Then I build stats, rather than breed for them, and just make sure I don't breed horses below a certain age unless absolutely necessary to preserve a line that's about to age out.  This takes patience, of course, but after a few generations, it really pays off, as I ultimately get high confo horses with good stats...and that makes for a beautiful herd!


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#198097 Posted on 2018-12-31 12:15:20

Here's an example of the variations you can get from one breeding pair:

DC Tornado At Sunrise

DC Brilliant Sunrise

Filly

Colt

You will note that Tornado at Sunrise is better than both parents, and mostly because he improved on both in one trait.  This sometimes takes fewer breedings than I had to do in this case, but usually it takes no more than this if the parents are really a good combination.  I wouldn't keep wasting breedings if you don't see the improvement in more than five...you need to move on eventually, and if you are breeding your horses at a minimum age of, say, 12, so you can build stats, that places some limitations on how many breeding you can do with a mare, especially.  (Why I breed mares earlier than stallions in so many cases.)


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#226611 Posted on 2020-08-09 14:20:59

Just wondering, can a foundation horse have a high confirmation?

Also, is it possible for a horse to have a confirmation of 100?


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#226613 Posted on 2020-08-09 15:21:31

Yes, foundation horses can have high conformation. The Equine Center no longer gives out foundations with a conformation of above 70, but there are some foundations with higher conformation. Those are from a previous version of Equiverse usually. 

Theoretically yes, it should be possible to breed a 100 horse. That is the goal of many conformation breeders, at least!


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#226614 Posted on 2020-08-09 15:28:42

From experience, foundations can range anywhere from 48-65% in conformation. Anything above 65% as a foundation that isn't a custom horse is usually a horse from the old conformation system. 

Through careful breeding and good luck a horse can have 100% conformation in theory, I don't think it's been done yet though some have been very close. The highest right now is 99.75%.

Last edited on 2020-08-09 at 15:29:19 by maplɛ


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