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Nutrients such as protein, fat, vitamins, and minerals are important players in the skin and coat health of dogs and cats. To understand their role, it is necessary to first understand skin and hair.
The purpose of skin and hair is to block things (such as water or heat) from leaving, or things (such as viruses and bacteria) from entering the body.
The hair coat is composed almost entirely of protein. If an animal's diet doesn't contain adequate protein quantity and quality, hair may fall out, or become dry, weak, and brittle.
Skin is made up of squamous cells, which are flat cells tightly packed together. These cells have tough membranes that are composed of proteins and fats. Without proper amounts of these nutrients, cell membranes weaken, allowing water to escape and bacteria and viruses to enter more easily.
Proteins are found in both animal-based and plant-based ingredients. Animal-based proteins contain all the essential amino acids cats need, whereas plant-based proteins may contain only some essential amino acids. Cats need animal-based proteins to achieve optimal health.
Fats also can be found in both animal-based and plant-based ingredients, and they are incorporated into skin cells as fatty acids. There are two essential fatty acids for skin and coat health. Linoleic acid maintains skin and coat condition in dogs and cats. Without enough linoleic acid cats may experience dull, dry coat, hair loss, greasy skin and increased susceptibility to skin inflammation. Cats also require arachidonic acid for normal skin and coat health.
Both of these essential fatty acids are omega-6 fatty acids and are found in animal tissues such as chicken fat. Linoleic acid is also found in some vegetable oils, such as corn and soybean oils. Most commercial cat diets contain more than adequate amounts of omega-6 fatty acids.
Because these fatty acids can be converted to compounds that increase susceptibility to skin inflammation, it is important to balance the amount of omega-6 fatty acids in the diet with omega-3 fatty acids, which do not reduce susceptibility to inflammation.
Omega-3 fatty acids are found in oils from fish and some plants (canola and flax).
IAMS™ research has found that combining fat sources in the diet at a ratio of five to 10 omega-6 fatty acids to one omega-3 fatty acid results in excellent skin and coat health.
Vitamins and minerals are essential for the development of healthy skin and hair coat. The best way to provide these nutrients is through a complete and balanced diet containing appropriate amounts of essential vitamins and minerals rather than through supplements.
Vitamin or Mineral | Important for Skin and Coat Health |
Vitamin A | Necessary for growth and repair of skin |
Vitamin E | Protects skin cells from oxidant damage |
Biotin | Aids in the utilization of protein |
Riboflavin (B2) | Necessary for fat and protein metabolism |
Zinc | Necessary for fat and protein metabolism |
Copper | Involved in tissue, pigment, and protein synthesis |
Diet is often believed to be a factor when changes in skin and coat condition are noticed. The most common causes of these changes, however, are season and life stage.
As cold weather approaches, most dogs and cats grow a thick coat to help keep heat in and cold air out. As the weather begins to warm up, they shed the thick, heavy coat.
Most kittens are born with soft, fuzzy hair, but as they age, a coarser coat grows. Pregnant or lactating cats also may experience a change in coat condition or hair loss.
Fiber isn’t just for humans — it’s an important part of balanced nutrition for cats, too!
But how much fiber do cats need, what kinds should they be eating and how can you make sure they’re getting the right amount for their bodies?
Cats and humans both need fiber in their diets, but that doesn’t mean cats should be eating the same amount as humans. People are growing more aware of the importance of fiber in our own diets today — and while it’s good to think about your cat’s fiber intake too, it’s important to remember that cats have different dietary needs than humans.
Cats have a much shorter digestive tract than humans, and unlike humans, cats are carnivorous, so their nutritional needs are better satisfied with mostly animal-based ingredients rather than plant matter.
Nondigestible fiber supports cat health by providing bulk that helps move food through the digestive system. This fiber is largely made up of carbohydrates that cats can’t break down in the same way they digest protein or fat. This undigested matter helps usher food through your cat’s system at a healthy pace that lets them absorb the nutrients in their food and eliminate waste comfortably. Higher levels of nondigestible fiber can even help address specific conditions like frequent hairballs.
Fiber can’t be broken down and digested like proteins and fats, but some kinds can be fermented (broken down by bacteria) in your cat’s digestive system. This breakdown produces short-chain fatty acids, which provide energy to your cat’s intestines as it is fermented.
Fiber sources used in pet foods include cellulose, which is poorly fermentable; beet pulp, which is moderately fermentable; and gums and pectin, which can be highly fermentable. Appropriate levels of moderately fermentable fiber, such as beet pulp, provide the benefits of energy for the intestinal lining and bulk without the negative effects of excessive stool or gas. That makes them ideal for the health and comfort of most cats!
While a high-fiber diet can be part of a weight-loss solution for humans, our research has found that it’s not as helpful as a weight-reduction option for cats.
High levels of poorly fermentable fiber in cat food dilute the calories and nutrients in a serving and may make your cat feel fuller. Unfortunately, high fiber content can also increase the rate at which food passes through your cat’s digestive tract, making it harder for them to digest other nutrients in their food. They may be going to the litter box more often, but that doesn’t mean their digestive system is working more efficiently.
When choosing a pet food, remember that cats and humans need different things from their food. All IAMS™ cat food products are made with the right amount of moderately fermentable fiber needed to promote intestinal health. Use the IAMS™ Cat Food Selector to find a recipe tailored to your cat’s unique needs.
