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Sodium is an essential mineral for life. Found in the blood and in the fluid that surrounds cells, sodium maintains the cellular environment and prevents cells from swelling or dehydrating. Sodium is also important for maintaining proper nerve and muscle cell function.
Meat, poultry, fish, and eggs are good sources of sodium. It also may be included in commercial cat foods in the form of table salt (sometimes listed on the ingredient panel as salt). Salt is an important palatant for animals, as well as for people.
The Association of American Feed Control Officials recommends that dry cat foods contain at least 0.2% sodium for maintenance and to support normal growth and development. These are the minimum recommended levels.
While high sodium intake may cause increased thirst and water consumption, the extra sodium is excreted in cat urine.
Therefore, the sodium level in commercial pet foods is not a cause for concern in healthy animals.
A veterinarian may recommend decreasing a cat's sodium intake if the animal has some types of kidney, liver, or heart disease, in order to help decrease high blood pressure or the accumulation of excessive body fluid. Although older cats may be more likely to develop these diseases, healthy older cats do not require a low- or reduced-sodium diet.
The sodium level in our cat foods is appropriate for healthy cats. The sodium content in these foods is balanced in proper proportions with energy, other minerals, vitamins, fats, proteins, and carbohydrates.
Ethoxyquin is a synthetic antioxidant (artificially manufactured from other elements) that is approved for various uses. It is approved and regulated by the Food and Drug Administration (FDA) and the Association of American Feed Control Officials (AAFCO) for use as a preservative in animal feeds. Pet food manufacturers have been using ethoxyquin to prevent rancidity and maintain the nutritional quality of their products for more than 35 years.
Ethoxyquin remains stable at the high temperatures required to process pet foods during extrusion. It is important in protecting fats and oils from degrading, losing available calories, and becoming rancid.
Despite the fact that all studies conducted to date prove that ethoxyquin is safe for use in all animal foods when used at approved levels, rumors continue to circulate to the contrary.
Individuals who seek to discredit the use of ethoxyquin will often cite certain studies that showed toxic effects in animals fed ethoxyquin. What these individuals fail to point out is that the animals in these studies were given excessive amounts of ethoxyquin—20 to more than 50 times the maximum limit—before negative effects were exhibited.
