Feeding Older Cats and Dogs
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By
Dr. med. vet. Sabina Büttner - Nov 15, 2018

As dogs and cats age, their needs for an optimal diet change. For example, their energy requirements decrease, whereas the need for high-quality proteins and vitamins increases.
When is a dog or cat considered a senior?
There is no clear age limit for either dogs or cats. Just like with us humans, the aging process is very individual for them too. For cats, the first signs of aging generally begin between 7 and 10 years. An age of 11 to 12 years corresponds, according to estimates, to approx. 60 to 65 years in humans, and at 14, a cat is comparable to a human of 72 to 75 years.
For dogs, the aging process primarily depends on breed and size. Large, heavy breeds sometimes have a life expectancy of less than 10 years. Medium dog breeds live 10 to 14 years, and smaller dogs can live 14 to 18 years or even longer. As a simple rule of thumb, a dog is considered a senior when they have reached approx. two-thirds of their expected age.
Common problems in old age:
Overweight
Many animals become calmer and move less with increasing age. The risk of overweight therefore increases if their diet is not adjusted.
Dental problems
Dental health requires even more attention with increasing age, as Dental problems occur more frequently in older animals. They are often very painful and can lead to animals eating less and losing weight.
Joint problems
With increasing age, both dogs and cats frequently develop arthritic joint changes, which can be associated with pain. Dogs move less and have difficulty getting up. Cats may no longer enjoy jumping onto elevated spots or may have problems jumping over the edge of the litter box, which can manifest as increased inappropriate elimination. Special fish oils and minerals in the food can help improve mobility again.
Weight loss
Sudden weight loss can be due not only to Dental problems but also to diseases of the internal organs. Older animals suffer more frequently from kidney, thyroid, liver, or heart diseases. For seniors, a thorough veterinary examination at least once a year to check their general health and organ functions is therefore strongly recommended.
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