Royal Canin Exigent Protein Preference 42 10kg - With its protein carbohydrate fat and balanced nutrients Exigent Protein Preference is a complete food for very fussy cats. Suitable for very fussy cats over a year old Exigent Protein Preference is made with a special formula which your cat will feel once digested helps to maintain your cats ideal weight. The balanced nutrients of Exigent Protein Preference include biotin and borage oil which help to keep your cats coat in a healthy condition.