A shared rat-and-mouse food page should still separate the quantities each species is expected to eat.

Science Selective Rat & Mouse Food is a nutritionally complete daily diet for rats and mice of all ages, supplied here in a 1.5kg pack. The recipe lists wheat, soya bean meal, barley, oats, soya oil, wheat feed, calcium carbonate, prebiotics, dried blackcurrant, dried apple and yucca extract. Its analysis states 14% protein, 4% crude fibre, 4% fat, 5% inorganic matter, 0.6% calcium and 0.4% phosphorus. Nutritional additives include vitamins A and D3 with iron, iodine, copper, manganese, zinc and selenium declarations.

• Pack size: 1.5kg
• Food status: nutritionally complete daily diet
• Suitability: rats and mice of all ages
• Protein: 14%
• Fat content: 4%
• Calcium and phosphorus: 0.6% and 0.4%

Follow the species-specific guide. The manufacturer gives 20–25g per day for an average adult rat and 3–5g per day for an average adult mouse. Fresh water should always be available, and the food should be stored in a cool, dry place. Wheat and soya appear in the composition; the label notes that the food may contain genetically modified soya and traces of nuts.

Who it's for: rat or mouse owners wanting a complete nugget food in a 1.5kg bag with one transparent formula and separate adult feeding ranges for the two species.