Still growing? - The Horse Forum
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post #1 of 8 Old 08-07-2013, 12:13 AM Thread Starter
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Still growing?

Hi all!

Couldn't think of where else to put this, so I decided here was best. At what age do horses stop growing? I've heard mixed things.

Reason I'm asking is I was looking at my mare today while she was standing in a stall at the vets, I stepped back and went 'holy butt!'. She is soooo butt high now! She use to be even and she just turned 4 this year. The stall was flat, and I double checked after I moved her to my friends barn, and her stall was flat as well. My gelding didn't stop growing until 5 and they are both paints. Could she just be reaching a growth spurt?


Never forgot the horse that taught you to be fearless (Braveheart RIP) the horse that taught you to stay strong no matter how bumpy the road is (Caesar) and the horse that always had to test gravity by throwing you in the air (Cali)
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post #2 of 8 Old 08-07-2013, 12:24 AM
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'THEY' say ages 5-6 is around the time growing stops.....I however believe that beyond the four year mark its an individual thing.
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post #3 of 8 Old 08-07-2013, 12:24 AM
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Someone posted this article on another thread fairly recently and I thought it was pretty good at explaining the timing of growth plates closing (as long as the growth plate is open the horse is still growing). The short answer is that horses keep growing until around 6 years old.
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post #4 of 8 Old 08-07-2013, 02:59 AM
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To me, they do most of their growing by the time they're four, although they might gradually gain an inch in height, but they do grow "out" and start to solid up. They should be completely done by the time they are six.

However, some horses are slow to mature. I've heard Paints tend to be slower. I know a Paint who is three and a half and he's pretty tiny for his age, and still growing strongly.

All you can do is wait and see.
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post #5 of 8 Old 08-07-2013, 04:51 AM
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Originally Posted by Saskia View Post
However, some horses are slow to mature. I've heard Paints tend to be slower. I know a Paint who is three and a half and he's pretty tiny for his age, and still growing strongly.

All you can do is wait and see.
There are some lines that are slower to mature. I've seen a number of Paints out of the Supreme Model line, including our mare Cinnamon, that didn't stop growing until they were almost 8. Others, like our Impressive line halter body mares, were pretty much done before they reached 5.

Wait and see is right...

On the sixth day, God created the Quarter Horse.
On the seventh day, he Painted the good ones.
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post #6 of 8 Old 08-07-2013, 05:46 AM
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Most horses will stop growing at the age of 6 but others will grow slower. coldbloods mature later, there are enough breeds where expected full grown age is around 8. I have a 3 yr old who shows how much he still needs to grow and fill out, a 5 yr old who has become butt high recently, and we are waiting for his front to come up too.. . also a massive 7 yr old Oldenburg gelding, who in the last year grew a few inches, and now seems to have stopped and is focusing on muscle building.
I would never expect a horse to stop growing at 4, at 7 you can think that not much will change apart from the condition depending on the work..
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post #7 of 8 Old 08-07-2013, 12:48 PM
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I have a mare (7 y/o reg. TB, but very built comparing to the majority of TBs) who was still a gangly thing in her 6 y/o year, as well as bum high. She is roughly 17.2 & 1/2 and still filling out but in the past year even I have noticed a HUGE change in her overall appearance. Her withers/bum seem to have evened out, though I have noticed on occasion her bum to be ever so slightly higher. I know of an 8 y/o TB who turned 8 this year and then evened out at 17.1h, also a very built horse like my mare.

It really depends on the horse, but like others have said, certain lines are known to mature slower vs. quicker. For the majority I would consider a horse done by 5-6, with the occasional individual under or over.
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post #8 of 8 Old 08-07-2013, 05:53 PM
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I bought a foal out of a 14 hand Welsh mare x a 16 hand TB. At three years he was about 14 hands and I sold him to a friend who wanted something that was going to finish at around 15 hands. As a 4 year old he was 14.2 but butt high. I didn't see him until he was 6 and he was about 15.3. He came to me to show jump. We sold him as an 8 year old and he was 16.2.
Some horses don't fit the mould!
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