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As a cat ages, changes occur in the way its body functions, so it makes sense that what it eats might also need to change. The following list of health issues may be more common in aging pets.
For mature cats with health issues, you can help by providing special nutrition for their special needs. Here's how.
Decreased Immune System Function
Throughout a cat's life, a process called peroxidation occurs. Peroxidation is a normal process that the body uses to destroy cells that outlive their usefulness and kill germs, parasites, etc. but also can destroy or damage healthy cells. As a cat ages, the damage caused by peroxidation accumulates which, in turn, increases the risk of certain problems, such as infections.
Antioxidants are naturally occurring nutrients that help maintain overall health by neutralizing the peroxidation process of cellular molecules. Some antioxidants, such as vitamin E, beta-carotene, and lutein, are naturally occurring nutrients.
Recent research has found that dogs and cats fed a diet rich in antioxidants such as vitamin E, lutein, or beta-carotene had improved immune responses and vaccine recognition. This may be especially important for aging cats, because studies have found that as cats age, immune responses can decrease.
More Frequent Intestinal Problems
Older cats may have higher numbers of unfavorable bacteria and lower numbers of beneficial bacteria in their intestines, which can result in clinical signs of gastrointestinal problems (e.g., diarrhea).
Feeding a diet containing fructooligosaccharides (FOS) -- a unique fiber source that helps nutritionally maintain healthy intestinal bacterial populations -- promotes growth of beneficial bacteria. Beet pulp, a moderately fermentable fiber source, also helps maintain intestinal health by providing energy for the cells lining the intestine and promoting small, firm stools.
is a freelance writer and editor on subjects ranging from cat care to feline fun.