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  • Terry Clayton

Tracking My Great Dane's Growth

Updated: 1 day ago

Meet Gunner. I adopted him from a family in Chicago. His dad was a Mastiff/Dane Mix and mom was an AKC Black Dane. Here is a shot of his parents:



Great Dane and Mastiff
Mom and Dad

Adopting him was a last-minute decision while home visiting my parents in Milwaukee. He was 37 lbs at 12 weeks and I soon realized that I couldn't take him on my Southwest flight, which was leaving that evening. I held my rental car and we drove from Milwaukee, WI to Gilford, NH. He had not had a vet check yet and soonest I could get on the calendar was June 16th.

Black Great Dane Puppy
Gunner at 12 weeks

After being home two weeks, June 3rd he developed serious diarrhea and started losing weight. I did a fecal flotation test in the lab and spotted parasite eggs, likely tapeworm. I picked up a dewormer at Tractor Supply which took care of it in 48 hours. In the weight chart below, you can see where he lost weight (week 14) likely from dehydration. After the dewormer, he bounced back quickly! I was also able to have a vet look at him a few days later who wanted to follow with another 3 days of Fenbendazole and 10 days of metronidazole (500 mg 2X daily with food) to make sure we knocked out any parasites or waterborne bacteria.


I am curious to see how he grows over the next 2 years and will be plotting his growth here:





He is approaching 4 months and I am curious to see how his growth changes. We feed him 2 cups of puppy food, 3 times daily. Next week our vet recommended increasing to 2 1/4 cup at each meal.


At 15 weeks he broke 50 lbs coming in at 51.4 lbs. His frame is growing faster than his muscles. His new sister is a Pitbull. They get along great, but he does not have the strength yet to really wrestle and she pushes him around a lot.


Although he is already the same size as my pitbull, he is also unable to really jump yet. He can get on the couch with a running start but needs help into cars as well as onto a bed. Its a good reminder that although he is the size of a full grown dog, he is really just 15 week old puppy!


Vaccine day at 15 weeks. Great team at Interlakes Animal Hospital. Today Gunner received:

-Rabies 1 year

-DHLPP puppy distemper

-Lyme 1st dose

-Bordetella 1year


They got it all done and a recital temperature check while he was munching on treats. Back in 4 weeks for follow up.


July 12, 2022

Today Gunner had his booster shots. He is 4 1/2 months old. He was 71.1 lbs and the vet is happy with his lean growth. He has developed hygromas on his elbows which I thought might due to aggravating his elbows when lying in hard floors. I am using a mattress now for his bed but on hot days he likes to lie on the cold tile floor.



Great Dane Dog
Gunner at 4 1/2 months

We also learned he has Giardia following the last stool sample check, so I am giving him 16 ml of a 10% Panacur again suspension once daily for 7 days.

Personality-wise, he growls around strangers but runs in the house when he gets spooked. He and the pitbull get along great now and I am not seeing any issues in his behavior. Still need to tune in the potty training but I know that takes time. I think he is a great dog.

Although he is large breed I run him almost daily. After talking with a good friend who is also retired veterinarian and fellow large breed owner, I am sticking to the trails and keeping his runs to less than 3 miles on trails to make sure his joints and growth plates don't take too much abuse. I believe healthy muscle around his joint is the best defense against arthritis and dysplasia, etc...


As of July 26th his hygromas are maintaining. Talking with the vet we decided to let them run their course. The hygroma on the right front elbow is quite large, about the size of a racquet ball but a search of the literature indicated draining or surgery just invites infection and in time these usually take care of themselves. In other news he is approaching 80 lbs approaching 5 months and he is now losing his canines. Adult incissors are in but I am not sure when those baby teeth were lost.


Great Dane hygroma
Close up of hygroma on elbow

8/12/22

Gunner is 5 1/2 months (or 23 weeks as the vet says) and he is doing great. He has gained 14 lbs in the last 2 weeks. I have moved him to Science Diet, and I am really happy with his appetite and regularity. Is the food or is his gut flora maturing? I don't know but will stick with it. We have found several molars and other baby teeth around the house. I think most his adult teeth are on their way in now.

We are trail running several days a week and he is developing good strength and sleeping like a champ. He does sometimes have a burst of energy at 3am but this is a time of a surge of growth and sleep so we are patient with him. His hygromas have stabilized but are still present. I have been doing a bit more research on the topic and I'm convinced its breed related and unrelated to actual trauma to elbows. Many large breed and Great Dane owners describe it as a phase of growth during the early years. As discussed with our vet, we will let them run their course and not drain or pursue any surgical procedures or steroid treatments.


In terms of weight, he is developing into a big boy! At a vet check today he weighed in at 94 lbs. He is looking down now on his sister Winnie. Although he looks like a fully developed dog, he still spooks easy and gets quite nervous around strangers. I have to remind myself he is still just a puppy. A gigantic puppy..... We keep treats by the front door so when he meets someone they can be introduced with a treat.


Running on the trails with him is a blast. He will not jump in the pond like his sister, but he has begun to trot and gallop. He stays near and its great just letting him off leash to explore.


Great Dane dog puppy
Gunner at 5 1/2 months

9/2/22

At 6 months he is a little ahead of schedule. He is now 104 lbs and his back is at about 30 inches. His appetite has softened but I still keep feeding 4 cups 3x per day. On the trails he is beginning to gallup but still will not enter the ponds. He can look me in the eye when he stands up on his rears and we now have to keep the counters clear in the kitchen. If his head does reach 44" he will stand head above our 36" counters. That would be crazy....


9/16/22

Gunner is 111.1 lbs today and his weight gain seems to be slowing down a bit. He is doing well and building strength. His jumping and coordination has improved. I am also noticing his personality changing. He will bark at newcomers to our home and we have to introduce him slowly to new people. He does seem more cautious around men versus women but if new people stare at him, that does seem to spook him. I don't want anyone bit as he is a big boy. With our immediate family he still behaves like a puppy, a giant puppy...


10/6/22

Not too much to report. His strength is now significant and takes everything I've got to hold him back from running up to other dogs. He still spooks easy but is generally friendly towards dogs unless they get aggressive with him! Then he is on! Vet check today he is 119.6 lbs. Weight gain is definitely slowing down which is good because he is about 20lbs over the 7 month average.


11/9/22

I'm stuck in a hurricane (Orlando) so I thought I would give a quick update. Gunner is now 136 lbs and about 31 1/2 inches tall at the shoulder. Besides the lingering presence of the front elbow hygromas he is in very good shape. He runs on the trails about 3.5 miles per day galloping down the trails or smashing through the brush in the woods. He is 30+ lbs over the average for a Dane but I think that is the mastiff in him as he carries little fat. He is starting to mark territory and is hesitant at strangers to the point where I am very cautious with him. My goal it to try and avoid neutering him until 18-24 months if I can control him. Like my previous Dane he has a bad habit of jumping up and poking you with an open mouth. I have started with a trainer and we are working positive reinforcement to break these habits and get him to behave (cheese and meat treats). He is now taller than me when he stands on his rears which is fun but exemplifies his size and strength.




11/16/22

We had our first snowfall of the year and I was excited to see Gunner's reaction. I caught it on film and made a little video:



11/28/22

In the last 3 weeks Gunner only gained 1 lb. Currently 136.5lbs. It appears his growth is slowing and it's matched by a softening appetite. We still have him on 3 meals a day though. His anxiety is softening a bit as he spends more time seeing strangers on the running trails and meets lots of people coming and going. The hygromas although still present have shrunk in size. Ever so gentle to the whole family but has low bark when visitors approach. He is a great guard dog.


To Be Continued








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