Hill’s
Science Plan - Adult 1-6 with Tuna
Summary
Hill’s Science Plan Adult 1-6 with Tuna is a complete dry food for adult cats living indoors or outdoors, designed to support healthy muscle maintenance, skin and coat condition, digestion, and overall vitality.
The first ingredient, chicken and turkey meal, supplies concentrated animal protein rich in essential amino acids for lean muscle and tissue repair.
With 31.7% crude protein and 19.3% fat delivering 4058 kcal/kg, the formula is energy-dense to support active cats or those needing higher caloric intake.
Salmon meal (5%) and fish oil provide omega-3 fatty acids (0.42%), while omega-6 fatty acids reach 3.05%, helping maintain a healthy skin barrier and a shiny coat.
A mineral profile of calcium 0.77%, phosphorus 0.71%, and magnesium 0.069% helps manage mineral load and supports urinary tract health in adult cats.
Dried beet pulp and oat bran contribute functional fibers that aid stool quality and promote regular digestion despite the low crude fiber content (0.9%).
Fructo-oligosaccharides act as prebiotics, feeding beneficial gut bacteria and supporting digestive resilience.
Taurine at 0.22% supports normal heart function and vision, essential for feline cardiovascular and ocular health.
High vitamin E (710 IU/kg) and vitamin C (103 ppm), together with beta-carotene and natural mixed tocopherols, provide antioxidant support against oxidative stress.
The carbohydrate content (NFE) is 37.4%, supplying readily available energy alongside the animal protein base.
Nutrition
Ingredients
- Chicken And Turkey Meal
- Maize
- Broken Rice
- Animal Fat
- Maize Protein Meal
- Salmon Meal 5%
- Minerals
- Digest
- Dried Beet Pulp
- Oat Bran
- and also:
Vitamins and Additives
Guaranteed Analysis
Guaranteed Analysis
More products from Hill’s
Science Plan - Adult 1-6 with Tuna
Product changes
- Crude fiber changed from 0.9% -> 0.93%
- 6th Ingredient changed from Salmon Meal (5%) -> Salmon Meal
- Score changed from 46 -> 47
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How the score is calculated?
The actual calculation of the score is based on sophisticated and advanced algorithm that takes into account multiple parameters.
To simplify the explanation, the calculation is based on three main criteria:
(1) Amount of protein (more is better)
(2) Amount of carbohydrates (less is better)
(3) Quality and source of ingredients.
Based on that 3 main criteria, 9 score calculation rules are used to compare the different foods.
One major assumption is that the closer an ingredient is to the top of the ingredient list, the greater its relative weight and contribution to the food.
In general, cat food is composed of protein, fats, carbohydrates, fibers, vitamins, and minerals.
Protein is the most important component in a cat's diet, and cats primarily get their protein from animal meat.
Fat is a primary source of energy and essential fatty acids.
Carbohydrates are controversial in a cat's diet, as cats are obligate carnivores and typically consume very few carbohydrates.
Fibers play an important role in digestion and food absorption, and vitamins and minerals are essential for different organism functions.
Dry matter values are used to compare the amount of nutrients in different cat foods. This means that moisture is excluded from the equation to provide a more accurate comparison.
Putting all of these and more into a formula results in a product score.
The maximum score a cat food can receive is 100. Points are added or removed based on the score calculation rules.
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