Great Dane: Weight & Diet Guide

Decision Scores

weight management difficulty: 6/10 — Great Danes are prone to overfeeding because they appear underweight when lean, and their large size makes portion estimation tricky. But they lack a genetic drive to overeat (no POMC deletion).
feeding precision needed: 8/10 — Because rapid growth in puppies can cause skeletal deformities, grams matter. Even a 10% overfeed in a puppy translates to excess weight gain on a massive frame. Use scale.
diet adaptability: 3/10 — Great Danes have sensitive stomachs and are prone to bloat; abrupt diet changes can cause flatulence and gastric upset. Transition over 7-10 days.
free feeding possible: 1/10 — Free feeding is dangerous for Great Danes: it encourages gulping air (bloat), prevents monitoring intake, and, for puppies, leads to uncontrolled growth. Never free feed.
puppy growth sensitivity: 10/10 — Great Danes have the highest growth rate of any breed (reach 70% adult weight by 10 months). Overfeeding during this window directly causes osteochondrosis and hip dysplasia.

Common Search Questions

What Owners AskIntentQuick Answer
why does my Great Dane always act starving even after eatingweight_concernYour Great Dane is likely displaying learned begging behavior, not true hunger. Unlike Labradors, Great Danes lack the POMC deletion; their hunger cues are behavioral.
how much should I feed my Great Dane puppy to prevent hip dysplasiapuppy_growthFeed a large-breed puppy formula with controlled calcium (1.0-1.5% DM) and energy, aiming for a lean body condition and slow, steady growth.
Great Dane weight loss dietweight_concernReduce calories to 1.2 x RER (about 1900 kcal/day for a 64kg dog) under vet supervision, while increasing non-weight-bearing exercise.
Great Dane bloat prevention feeding tipshealth_riskFeed 2-3 smaller meals per day, not one large meal; avoid exercise 1 hour before and 2 hours after; use a slow feeder bowl to reduce gulping air.
Great Dane treats for training – low calorie optionsfeeding_questionUse single pieces of kibble from the daily portion, baby carrots, or freeze-dried liver (break into tiny bits). Limit treats to 10% of daily calories (~250 kcal).
Great Dane senior weight managementweight_concernSwitch to a senior large-breed formula with higher protein to preserve muscle (25-30% DM) and moderate fat (~12-15%), adjusting calories to maintain lean BCS.
how fast should a Great Dane puppy growpuppy_growthA Great Dane puppy should gain about 2-3 kg per week during rapid growth (2-8 months). Aim for a lean condition where ribs are palpable with light fat cover.
Great Dane overweight causes aggression?weight_concernObesity does not directly cause aggression, but discomfort from joint pain and overheating can lower tolerance, making a normally gentle Dane more irritable.
Great Dane 140 pounds too fatweight_concern64kg is the average for a male Great Dane per breed standard (54-72kg range). Assess body condition score, not just scale weight.
Great Dane eating poop – nutrition deficiency?feeding_questionCoprophagia in Great Danes is usually behavioral or due to incomplete digestion, not a specific nutritional deficiency.

30-Second At-Home Body Check

Coat Check: Short, single coat: press with flat palm over ribcage. You can feel ribs with minimal pressure if BCS is ideal.

Rib Check: Place fingers between shoulder blades and rib cage. At ideal weight, you feel ribs like the back of your hand with light fat cover. If you have to push hard, overweight. If ribs are visibly protruding, underweight.

Waist Check: Great Danes have a deep chest and slight tuck. Run hands from ribcage to flank: at ideal, there is an hourglass shape before the hips. Overweight: flank feels full and no tuck.

Overhead View: From above, you should see a definite waist behind the ribs, but not as dramatic as a greyhound. A straight line or bulging sides indicate overweight.

Ideal Weight Range

Adult Male: 54-72 kg (120-160 lbs)

Adult Female: 45-60 kg (100-132 lbs)

Puppy Growth: A 6-month-old should be ~35-40 kg. Growth must be slow and steady; do not aim for 'bigger is better'. Overfeeding now causes permanent bone damage.

Obesity Risk Assessment

Risk Level: medium

Breed-Specific Factors: Great Danes do not have a genetic satiety mutation, but their huge size creates a psychological tendency to overfeed by owners. Their joint and heart vulnerability makes even moderate overweight dangerous.

Joint Impact: Each extra kg adds ~4–5 kg loading per hip joint during walking. For a 10 kg overweight Dane, that's 40-50 kg extra stress on each hip.

Lifespan Impact: Being moderately overweight (BCS 6-7) can reduce lifespan by 1.5-2 years in Great Danes (based on large-breed longevity studies).

Daily Calorie Guide

Formula: 70 x (64.0)^0.75 = 70 x 22.63 = 1584 kcal

Normal Activity: 1.6 x RER = 1.6 x 1584 = 2534 kcal/day (for a typical adult with 30-60 min walk)

Active Dog: 2.0 x RER = 2.0 x 1584 = 3168 kcal/day (for working or high-exercise dogs)

Weight Loss: 1.2 x RER = 1.2 x 1584 = 1901 kcal/day (under veterinary supervision, do not exceed 2% body weight loss per week)

Important: A 250ml cup of dry food varies +/-50 kcal per scoop. That 50 kcal daily error = 2 kg body fat per year for a Great Dane (since each kg fat = 7000 kcal). Use a gram scale.

Treat Budget: 10% of 2534 = 253 kcal/day. Low-cal treat alternatives: baby carrots (3 kcal each), green beans (1 kcal per bean), frozen blueberries (1 kcal). Avoid processed dog treats – one medium biscuit can be 70-100 kcal.

Understanding Your Dog's Hunger Signals

Can You Trust Hunger Cues? no

Breed-Specific: Great Danes have no known POMC deletion, but they are highly attentive to owner behavior and will beg for attention, not nutrients. Their deep chest makes them seem 'empty' even when full.

Watch Out: The Great Dane will sit and stare at the kitchen counter, whine at 5pm exactly, nudge the food bowl, or drool. These become conditioned responses to time or owner actions.

What To Do: Teach a 'sit on mat' behavior that is incompatible with begging; use a Kong stuffed with frozen vegetables or a puzzle toy; feed a small portion of vegetables at the same time you eat to make the dog feel included.

Feeding Recommendations

Weigh food on a gram scale, not volume cups. Aim for precision of ±10g per meal.

A 10g under/over each day sums to 3.65 kg in a year – about 5% body weight for an average Dane.

Common Mistake: Using a scoop and assuming it's accurate; owners often pack the food, doubling the portion.

Feed two meals a day for adults, three for puppies (until 6 months), to reduce bloat risk.

Larger meals increase stomach distension, which is the primary risk factor for GDV. Dividing calories lowers volume per meal.

Common Mistake: Feeding one giant meal per day because 'he's a big dog' – this is dangerous.

After eating, enforce at least 1 hour of quiet rest – no running, no wrestling.

Exercise after a meal is a known trigger for gastric dilatation-volvulus (GDV). Great Danes are especially susceptible.

Common Mistake: Letting the dog play with another dog right after dinner.

Monitor body condition weekly. Take a top-down photo to track waist shape.

Weight alone is misleading due to large frame size. Visual recording catches slow fat gain before it becomes obesity.

Common Mistake: Only checking weight at vet visits – by then the dog is often significantly overweight.

Diet Options

Supports lean muscle without excessive energy; moderate fat prevents weight gain. Larger kibble may encourage slower eating.

Controls growth rate; calcium in the 1.2% range is optimal for skeletal development.

Counteracts muscle loss and provides glucosamine for joint health.

Key Insights

How many calories should a 64kg Great Dane eat?

Roughly 2534 kcal/day for a normally active adult, derived from RER (1584) multiplied by 1.6.

Can I feed my Great Dane once a day?

No. Feed at least two meals per day to reduce GDV risk. Large meals increase stomach distension and risk of torsion.

My Great Dane is too fat – how to start weight loss?

Calculate weight loss calories at 1.2 x RER (1901 kcal for 64kg) under vet supervision, switch to a low-calorie high-fiber diet, and increase gentle exercise.

Why Owners Love This Breed

Is This Breed Right For You?

Good Match If:

Think Twice If:

Bottom Line: Great Danes are not hard to keep at healthy weight if you are precise and disciplined, but their size amplifies every mistake: a few extra kibbles a day becomes obesity faster than you think.

Explore Related Guides

Breed Fingerprint — What Makes This Breed Unique

Frequently Asked Questions

Is my Great Dane overweight if I can see its ribs slightly?

No. Slightly visible ribs (last few) are acceptable in a lean, athletic Dane. Overweight is when you cannot feel ribs with light pressure.

How many cups of food should a Great Dane eat per day?

Stop guessing by cups. For a 64kg dog on a 350 kcal/cup food, that's ~7 cups/day. But food calorie density varies wildly. Weigh portions instead.

Does feeding from elevated bowls prevent bloat?

No. Research (Glickman et al., 2000) actually found elevated bowls may increase risk of GDV. Feed on the floor, but break meals into two portions.

Should I give my Great Dane grain-free food?

Not without vet consultation. Grain-free diets have been linked to diet-related DCM (not genetic) in large breeds like Danes.

When does a Great Dane puppy reach adult weight?

Between 18-24 months, but most of the height is achieved by 12 months. Weight gain continues into the second year.

Can Great Danes eat bones?

Raw recreational bones (e.g., beef femur) are okay under supervision, but cooked bones splinter and can cause obstruction or perforation.

My Great Dane refuses to eat – should I worry?

If it skips one meal but is otherwise normal, it may be a temporary loss of appetite. If it lasts >24h, consult a vet (GDV can present as refusal to eat).

How much water should a Great Dane drink daily?

Approximately 1.5-3 liters per day, depending on activity and weather. Ensure constant fresh water except 1 hour after meals to reduce bloat risk.