Some deer do not grow much while others blow up in a year. I have seen deer go from 130 to 190 from 3.5 to 4.5. such as the buck i took this year. Then from 4.5 to 5.5 he went to 200 so the rack didnt move much in those years. I have seen a few deer like this. Deer antlers grow a alot until 4.5 then the growth tends to slow significantly. I have also worked with a 2.5 year old 130ish that went to around 170 as a 3.5 gross and around 200 as a 4.5.
My biggest buck was 5.5 years old when I harvested him. I have his sheds from whe he was 2.5 years old, but found nothing from him at 3.5. I have his left side from when he was 4.5. Based on his left shed, and how typical this buck was, he put on 30-31 inches from 4.5 to 5.5 yrs of age. He scored around 146" at 4.5, and 177" as a 5.5yr old. Obviously this is not typicall of all deer.
I have 4 years of sheds from a deer that I believe was a 3.5 year old the first year I found him. All he ever gained from 3.5 to 7.5 was mass. He was always a 130-135 ish 9, or 10 point buck. I see most gains of 15-20 per year. With the biggest gains from either 3-4. Or 4-5 years old.
It completely depends on the deer. I've seen some gain 30" in a year and then I've seen some not grow any at all. The best jump is usually from 3 yrs old to 4 yrs old. That's when they really start to show their maturity and put on the mass.
like guys are saying depends what age jump and food, genetics ect. Id say avg is 15" a year with some years being 30-40 and others significantly less. I've seen yearling basket racket 70" deer that were button bucks the year before so 70" is possible but you are probably asking about closer to maturity
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