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Ammit · Mar 5, 2017 12:42 PM

I decided it would help people a lot to see some real concrete examples of what sort of intact rates you should expect from breeding your horses. I created 50 perfect foundation mares and bred them each 8 times too different studs at different pasture bonus levels. Here are the results.

**All horses used in this test and all foals had all testing done on them including strict breeding advice. You can expect a much larger number of intact foals (near double) for regular breedng advice**

Test 1: Perfect foundation stallion (100% breeding ability) bred to 50 perfect foundation mares (100% breeding ability), zero days in pasture.
Results: 12 intact foals, 38 altered foals. Avg breeding ability 99%, Avg PT 9.65

Test 2: Perfect foundation stallion (100% breeding ability) bred to 50 perfect foundation mares (100% breeding ability), 30+ days in pasture.
Results: 34 intact foals, 16 altered foals. Avg breeding ability 102%, Avg PT 9.91

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Test 3: Exceptionaly perfect foundation stallion (105% breeding ability) bred to 50 perfect foundation mares (100% breeding ability), zero days in pasture.
Results: 3 intact foals, 47 altered foals. Avg breeding ability 103%, Avg PT 9.99

Test 4: Exceptionaly perfect foundation stallion (105% breeding ability) bred to 50 perfect foundation mares (100% breeding ability), 30+ days in pasture.
Results: 20 intact foals, 30 altered foals. Avg breeding ability 105%, Avg PT 10.21

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Test 5: 5% Boosted Exceptionaly perfect foundation stallion (110% breeding ability) bred to 50 perfect foundation mares (100% breeding ability), zero days in pasture.
Results: 5 intact foals, 45 altered foals. Avg breeding ability 104%, Avg PT 10.11

Test 6: 5% Boosted Exceptionaly perfect foundation stallion (110% breeding ability) bred to 50 perfect foundation mares (100% breeding ability), 30+ days in pasture.
Results: 11 intact foals, 39 altered foals. Avg breeding ability 108%, Avg PT 10.39

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Test 7: 5% boosted clone of 5% Boosted Exceptionaly perfect foundation stallion (115% breeding ability) bred to 50 perfect foundation mares (100% breeding ability), zero days in pasture.
Results: 0 intact foals, 50 altered foals. Avg breeding ability 108%, Avg PT 10.48

Test 8: 5% boosted clone of 5% Boosted Exceptionaly perfect foundation stallion (115% breeding ability) bred to 50 perfect foundation mares (100% breeding ability), 30+ days in pasture.
Results: 1 intact foals, 50 altered foals. Avg breeding ability 110%, Avg PT 10.68

Link to the demo barn here.
http://hj2.huntandjump.com/pub_member.php?u_id=420

Ammit · Mar 5, 2017 12:52 PM

This test gives a great look at what sort of intact rates you can expect given different amounts of uneven ability breeding. All these horses are foundations so are certainly even generation numbers but ever 5% increase in breeding ability is roughly a generations increase in quality.

The perfect foundation stud is even ability with the perfect foundation mares, but the 105% stud is like crossing second gens and foundations, the 110% is like crossing third gens and foundations and the 115% stud is like crossing a 4th gen and foundations.

Mares with a full 30 day pasture bonus produced foals about as good as those sired by a stallion 5% higher, but with a much higher intact rate.

These ratios hold true regardless of how good the horses are. A sire who is 5% better then the mares will always produce a similar ratio of intact foals regardless if the cross is 105% to 100% or 125% to 120%.

SummertreeFarms · Mar 5, 2017 2:15 PM

I added this post to the Links list. Thanks, Ammit!

DragonRun · Mar 5, 2017 2:18 PM

Thank-you Ammit for doing this!

ObsidianKitsune · Mar 5, 2017 2:44 PM

Under test 8 it says 1 intact foal and 50 altered. Is that meant to be 49 or are twins a thing?

Kinetic · Mar 5, 2017 4:23 PM

@Ammit - It looks like all of the PF mares you used in this experiment were Yellow papered. What if our mares are Red papered? All of my 1st Gen mares that have passed Strict Breeding Advice (PFs, TNPs, and regular HH creates) are all Red papered (and it's not like I had many that failed). So would a B papered RS stallion (I guess 105% ability) be an even match, or would a C papered PF stallion (100%) be an even match for them?

SandycreekFarm · Mar 5, 2017 5:20 PM

That's a fascinating study, Ammit. Thanks for making the effort to carry it out and sharing the results.

MoonAcre Stables · Mar 5, 2017 10:41 PM

Definitely a good example

BestFriend · Mar 5, 2017 11:23 PM

I really like this. It helps a lot. I think now I am starting to understand. I am enjoying it very much.

Kinetic · Mar 6, 2017 10:42 AM

So, now all my 1st Gen mares are papering Yellow. Was something changed?

I am still concerned about my 1st Gen Red papered mares. Are they really Red papered? There's no way to test them again (plus I'd really rather not spend another $1000 a head to find out if they need to be re-papered.) What sort of stallion is the best match for the Red papered 1st Gen mares to have an "even" breeding?

Ammit · Mar 6, 2017 10:49 AM

Unless a mare was an exceptional HH she can not be any better than a perfect foundation. Treat your red foundation mares that are NOT exceptionals like you would any other normal foundation. Sorry the papers caused some confusion. :)

DragonRun · Mar 6, 2017 4:18 PM

OK so for our foundations whether they are PF or regular creates, if they are unboosted, the best match is a C Stallion. I am good with that.

RKO · Mar 23, 2017 5:19 PM

Wow very cool, I tend to keep mares I like in pasture. I do swap them out from time to time. It depends on if I want to line breed or do foundation at the time.

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