The String Test - Accurate?

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The String Test - Accurate?

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  • What is the string test for measuring young horses
  • Horse string test

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    11-29-2013, 04:23 PM
Green Broke
The String Test - Accurate?

I'm referring to the one where you measure from the coronet band to the gap in the knee, then convert inches to hh. Have you used it on a young horse and found it accurate? What is the youngest/oldest horse you have tried it on? I tried it on a few previous horses. One was a yearling filly that tested 15.2hh. She was 15.1hh at 3, which was when I sold her. The next one was tested at 8 months old, he tested 16hh and was 15.3hh when I sold him at 3.

the latest ones were the three fillies that came from the auction. I'll list them separately:

1)my filly. Grullo, found out she's pure quarter horse, sire was 16hh, dam somewhere over 15hh. 5 months old, currently stands 12.2hh. String tests 16hh.

2) palmino filly, POA breeding, but grade.figure about 4 months old. Stands 11.2hh, string tests 14.2hh.

3)sold as grade. Chestnut with lace edged high white stockings and blaze. About 6 months old. Stands 14hh, string tests 17.3hh. She is huge. We guessed maybe a paint x tb, but have no idea. She doesn't look like she has any draft in her at all, no dish to her face, elegant mover. Reminds me of a thoroughbred cross or warmblood.

It will be interesting to see how they mature. What are your experiences.
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    11-29-2013, 05:37 PM
So far it's accurate when I measure my grown horses; you can also guestimate by adding 2 hands to a yearling, or 1 hand to a two-year old I think.

Lily strings to 16/16.1hh, and at 19 months is 15hh. It will be interesting to see where she is in the spring as a 2 y/o.
    11-29-2013, 06:23 PM
Don't have any growing youngsters right now but in the past the ones I had access to {weren't mine but a friends} when we "string tested" the mature height was within a inch.

Your "grade" that tests out to 17.3.... there are many "pure" Thoroughbreds of that height so she may not have any draft or warmblood in her but just be the cross you suspect...

Enjoy the wait and see game...aren't babies great!!
    11-29-2013, 08:02 PM
Green Broke
I've found it accurate. Usually best when horse is longer yearling.
    11-29-2013, 08:35 PM
Super Moderator
I think Ri string tested at 15.3 and he finished out just a little over 16 hands. Last time I measured him (with the tape) he was 16.2 but I don't think he's quite that tall, think my boot may have pushed the tape too low....
    11-29-2013, 08:43 PM
My 8 month old filly string tests to 16. She currently is 12.3 at the wither, 13.1 at the hip.

I've never used it before but I did it on my filly twice. And came out with 16 inches both times. My mom didnt believe me, and so I proved to her by measuring our other horses...

14-1/2 inches for Jasper. He's 14.2.

15-1/4 inches for Nut. He's 15.1.

15-1/2 inches for Rumor. She's 15.2.

And Chilly is 15.0 hands. Measuring 15 inches exactly.

It's quite impressive. We'll see how it works out in the end. In 5 years...Ill let you know...
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    11-30-2013, 12:05 AM
Yep it has worked on all my young horses to help predict height. It may be just a Tad off the younger the horse. :) but it gives you a pretty good idea.
    11-30-2013, 12:37 AM
Well, in my experience of 1, it's accurate.....ish LOL.

Rafe string tested to 17hh even. He's coming 5 and stands 16.2, barely, with no signs that he's going to grow any more. He hasn't done much in the last entire year except to slowly eke out that single inch. He stood 16.1 for nearly a year before that.

Taz string tested to 16.1 and he's only standing I think 15.2 right now and he's coming 4. However, he's always grown slower than Rafe did (probably the difference in dams, Rafe had an awesome dam with plenty of good milk until I weaned him at 10 months; Taz had a crappy dam who dried up when he was 4 months old). Big Red seemed to do all his growing before he was 2. Taz didn't seem to start growing until he was over 2 LOL.
    11-30-2013, 09:30 AM

We used the measurement test on two of our young ones years ago, later after they matured the test was 99.9% accurate.....

    11-30-2013, 12:42 PM
I have found it to be very accurate. My horses have all string tested to the growth I measured.
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