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A rottweiler will always reach it's optimum weight. It will finish growing in height at around 18 months of age, but is one of those breeds which slowly mature and will finish filling out between the ages of 3 to 4 years. It not a good thing to try to pack the weight on your dog, by doing so you could end up with enormous vet bills, from your dog being over weight causing stress to its joints. Enjoy your dog for what it is. Let it be as mobile as possible and fun when you take it out and not some over weight dog who struggles to keep up.

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14y ago

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