Table 1.

Chemical composition of CHI and an EXT fed to domestic cats^*

Item	CHI	EXT†
DM (%)	24·2	95·4
Organic matter (% DM)	91·1	92·8
Crude protein (% DM)	71·4	38·9
Acid-hydrolysed fat (% DM)	20·0	14·4
Gross energy (kcal/g DM)	5·9	5·2

^*CHI, 1–3-d-old chicks (Rodent Pro); EXT, extruded chicken-based diet (P & G Petcare).

†Ingredient composition of EXT as reported by manufacturer: chicken, chicken by-product meal, maize meal, maize grits, dried beet pulp, poultry by-product meal, natural flavour, dried egg product, brewers dried yeast, sodium bisulphate, potassium chloride, fructooligosaccharides, animal fat (preserved with mixed tocopherols, a source of vitamin E), fish oil (preserved with mixed tocopherols, a source of vitamin E), DL-methionine, choline chloride, calcium carbonate, vitamins (vitamin E supplement, niacin, ascorbic acid, vitamin A acetate, calcium pantothenate, biotin, thiamine mononitrate (source of vitamin B₁), pyridoxine hydrochloride (source of vitamin B₆), vitamin B₁₂ supplement, riboflavin supplement (source of vitamin B₂), inositol, vitamin D₃ supplement and folic acid), taurine, minerals (zinc oxide, manganese sulphate, copper sulphate, potassium iodide and cobalt carbonate) and rosemary extract.