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Thread: Any way to tell how big a pup will be when they're older?

  1. #1
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    Default Any way to tell how big a pup will be when they're older?

    I've read somewhere that at four months you can take their current weight and multiply times 2 and get near what they'll be full grown. Has anyone found this to be true?


    I have a black lab that's about to turn 4 months and only weighs 23lbs. She's kinda tall and lanky looking. Any guesses on what she'll weigh full grown?

  2. #2
    Senior Member Wayne Nutt's Avatar
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    My experience with Rowdy followed that rule of thumb.
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    Senior Member DarrinGreene's Avatar
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    seems to work in my experience
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    Senior Member Rick S's Avatar
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    I found it to be pretty close with my dog. There's also a growth chart that someone posted on here awhile back which also ended up pretty close.

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    Senior Member CodyC's Avatar
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    Yeah double the weight at 4 months and you get the pretty dang close to what they will be full grown. Worked for my dog. He was 45 lbs at 4 months and now at 12 months he is 82 and lanky with some filling out to do. going to be pretty close to 90 when hes done

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    Senior Member Mary Lynn Metras's Avatar
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    Spoke with the breeder and found out what the sire and dam weighed so I figure he has to be in around those weights unless... He has bigger feet than my other two?
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    Wow, my 6 month old female weighed 43 lbs. at 4 months, she is now 53 lbs. I guess she's gonna be a big gal
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    Senior Member CodyC's Avatar
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    Quote Originally Posted by golfandhunter View Post
    Wow, my 6 month old female weighed 43 lbs. at 4 months, she is now 53 lbs. I guess she's gonna be a big gal
    Yeah they all grow at different rates and for the most part the rule of thumb is pretty close. I would be surprised if your dog gets to be 100+ in working condition (fit and not fat) just because females rarely get that big.

  9. #9
    Senior Member ks_hunting's Avatar
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    That double-the-4-month rule has checked out on my last 3 dogs. Current pup just weighed in a 35 lbs at her 4 month visit to the vet. We are expecting her to be larger that her dam and smaller than her sire.

  10. #10
    Member brandon a's Avatar
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    That isn't holding true for my dog.
    At 4 months he was 40#. He is almost nine months now and 90#.
    My guess is he will put on at least another 10 before he stops growing and filling out.

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