PARNUT Entry 14: Reduction of cystine stones formation
Particular nutritional purpose: Reduction of cystine stones formation
Species or category of animal: Dogs
Essential nutritional characteristics: Urine alkalinising properties and crude protein ≤ 160 g/kg complete feed with a moisture content of 12 % (2) Or Proteins selected for a limited cystine and cysteine content (e.g. casein, pea protein, soy protein) and crude protein ≤ 220 g/kg complete feed with a moisture content of 12 % (2)
Recommended length of time: Initially up to 6 month
Labelling declarations: — Sulphur amino acids (total) — Protein sources — Sodium — Potassium — Chlorides — Urine alkalinizing substances (if added)
Other provisions: 1. The feed shall be placed on the market as complete feed. 2. Indicate in the instructions for proper use: ‘Water should be available at all times’ 3. Indicate on the labelling: — ‘Urine alkalinising properties and low level of proteins’ or ‘Low level of selected proteins’, as applicable. — ‘It is recommended that a veterinarian’s opinion be sought before use or before extending the period of use.’ 4. For consideration of the veterinarian or nutritionist: Alkalinising properties means that the diet should be formulated to target a urinary pH ≥ 7.
Source: Commission Regulation (EU) 2020/354, Annex, Part B, entry 14 — EUR-Lex consolidated version 2025-04-22 (CELEX:02020R0354).