Kuvasz nutrition: slow puppy growth, thyroid and bloat

The Kuvasz is a Hungarian livestock guardian, bred to watch flocks for long hours and act only when needed. It is big: the American Kennel Club breed profile gives males as 100 to 115 pounds (about 45 to 52 kg) and females as 70 to 90 pounds (32 to 41 kg), with a life expectancy of 10 to 12 years. Feeding one well comes down to slow growth in puppyhood, a lean adult, awareness of thyroid disease, and meal routines that reduce the risk of bloat. The AKC lists hip and elbow dysplasia, autoimmune thyroiditis, patellar luxation, heart conditions and progressive retinal atrophy as the conditions breeders screen for.

Calories for a guardian breed

A guardian dog spends much of its day watching rather than running, so a pet Kuvasz usually needs less food than its size suggests. The Merck Veterinary Manual estimates the resting energy requirement (RER) as 70 times body weight in kilograms to the power 0.75, then multiplies by 1.8 for an intact adult, 1.6 for a neutered adult and 1.4 for a dog prone to gaining weight. Merck treats the result as a starting point to adjust by how the dog responds.

Figures are rounded to the nearest 5 kcal. The thick white coat hides fat well, so body condition has to be checked by hand: ribs easy to feel under a thin covering, and a waist behind them. Weigh the dog monthly. Working guardians outdoors in winter burn more than a house dog and may need the higher columns or more.

Growing a Kuvasz puppy slowly

Large, fast-growing breeds are prone to developmental orthopedic disease: hip and elbow dysplasia and osteochondrosis, in which joint cartilage fails to turn into bone normally during growth. In osteochondritis dissecans (OCD), a flap of that cartilage separates, most often in the shoulder but also in the elbow, stifle or hock, and the puppy goes lame, usually well before its first birthday. Genetics set the risk. Feeding and growth rate decide a good part of how it plays out, and the AKC stresses controlled exercise for the rapidly growing Kuvasz puppy.

Calcium is the nutrient to get right. Merck notes that excess calcium matters most in large- and giant-breed dogs growing from weaning to one year, and that puppies fed more than 3% calcium on a dry matter basis developed more severe osteochondrosis and poorer bone remodeling than those fed 1% to 3%. A complete puppy food labelled for large-breed growth is formulated within safe limits. Adding calcium, bone meal or a vitamin-mineral supplement on top of it undoes that work.

Joints in the adult

Body weight is the joint factor an owner controls best. Extra weight speeds wear in joints already affected by dysplasia, and a heavy dog is harder to keep active. Ask a breeder for the parents' hip and elbow results, since both dysplasias are on the AKC's list of conditions breeders screen for.

Glucosamine, chondroitin and fish oil are widely sold for joints. They cannot change how a joint developed, and they are no substitute for weight control. If a joint problem is diagnosed, discuss whether any of them is worth adding, and at what dose, with the vet.

Autoimmune thyroiditis

In autoimmune thyroiditis, the immune system gradually destroys the thyroid and the dog becomes hypothyroid. In a large US laboratory survey of samples from dogs with signs of hypothyroidism, the Kuvasz was among the ten breeds most likely to carry thyroid hormone autoantibodies. Antibodies were most common in dogs aged two to four, and the authors concluded they may falsely raise measured T3 and T4 results. A single normal-looking T4 does not rule the disease out, so ask for a fuller thyroid panel when signs fit.

• weight gain on the same amount of food
• lethargy and reduced interest in activity
• seeking warmth
• a dry, thin or slow-to-regrow coat, sometimes with hair loss on the tail
• recurrent skin or ear infections

If a Kuvasz gains weight on a portion that used to hold it steady, test the thyroid before cutting food further. Treatment is a daily thyroid hormone tablet, usually for life, with periodic blood tests to set the dose. Complete commercial foods already contain iodine and selenium, and adding kelp or iodine supplements does not repair an immune-damaged gland.

The white coat

The Kuvasz has a double coat of guard hair over a fine undercoat. The AKC describes it as easy to care for: weekly brushing to remove debris and reduce shedding, an occasional bath, and nail trims about monthly if they do not wear down. Brush more often during heavy shedding.

A dog on a complete, balanced diet gets the protein, essential fatty acids, zinc and vitamins its coat needs. When a white coat turns dull, thin or flaky, skin infection, allergy, parasites and hypothyroidism are all possible causes, so a vet check comes before a supplement. Reddish-brown staining around the eyes or on the feet comes from tear and saliva pigments on wet fur; excessive tearing, licking or chewing are the signs to investigate.

Bloat and meal routines

The AKC warns that large, deep-chested breeds such as the Kuvasz can develop gastric dilatation-volvulus (GDV), in which the stomach fills with gas and can twist. It is an emergency. Signs include a swollen or tight belly, repeated unproductive retching, drooling, restlessness and collapse. Go to a vet immediately, at any hour.

Research in other large and giant breeds points to practical changes. In a cohort of large and giant dogs, faster eating and a raised food bowl were linked to higher risk, as were age and having a bloated close relative. Dogs fed a larger volume of food per meal were also at higher risk, most of all when fed once a day. And dry foods listing an oil or fat among the first four ingredients were associated with a 2.4-fold increase in risk.

• Feed at least two measured meals a day.
• Use a bowl on the floor, and a slow-feed bowl for a fast eater.
• Prefer dry foods without an added oil or fat in the first four ingredients.
• Avoid vigorous exercise around meals, as the AKC suggests.
• Ask the vet about prophylactic gastropexy, often done at neutering, which stops the stomach twisting but not bloating.

Some Kuvasz eat slowly and walk away from food, which is no bad thing for bloat risk. Give a slow eater a quiet place away from other pets and a set time, around 20 to 30 minutes, then lift the bowl until the next meal.

Sources

1. Kuvasz dog breed information. American Kennel Club.
2. Nutritional requirements of small animals. Merck Veterinary Manual.
3. Prevalence of serum thyroid hormone autoantibodies in dogs with clinical signs of hypothyroidism. Journal of the American Veterinary Medical Association, 2002.
4. Non-dietary risk factors for gastric dilatation-volvulus in large and giant breed dogs. Journal of the American Veterinary Medical Association, 2000.
5. Diet-related risk factors for gastric dilatation-volvulus in dogs of high-risk breeds. Journal of the American Animal Hospital Association, 2004.
6. The effect of ingredients in dry dog foods on the risk of gastric dilatation-volvulus in dogs. Journal of the American Animal Hospital Association, 2006.