1. A method of treating or controlling an inflammatory condition in a feline animal by administering a diet containing on a dry basis: DHA + EPA: 0.5-2.5% Methionine: 1-3% mg / kg Manganese: 50-200 ppm Vitamin C: 75-1000 mg / kg Vitamin E: 500-2500 mg / kg L-carnitine: 100-1500 mg / kg. 2. The method according to claim 1, in which the diet consists of (on a dry matter basis): Crude protein: 32.3% Fat: 20.7% Crude fiber: 2.6% Insoluble fiber: 7.6% Soluble fiber: 1, 7% Calcium: 1.04% Phosphorus: 0.78% Potassium: 1.0% Sodium: 0.3% Magnesium: 0.09% Chlorine: 0.96% Linoleic acid: 3.6% Alpha-linolenic acid: 0.26% DHA: 0.28% EPA: 0.38% Lysine: 2.7% Methionine: 1.54% Manganese: 97 ppm Vitamin E: 1215 IU / kg Vitamin C: 174 ppm Taurine: 2857 ppm Carnitine: 504 ppm3. A method according to any one of claims 1 and 2, wherein the condition to be controlled or treated is osteoarthritis. The method according to any one of claims 1 and 2, which includes the step of detecting an inflammatory condition in a feline animal before treatment or control of the inflammatory condition by measuring blood levels of genes selected from one or more INDO, ANXA1, MMP8, ODC1 and STXBP2, where increased expression correlates with the inflammatory state. 5. The method of claim 3, which comprises the step of detecting an inflammatory condition in a feline animal before treating or controlling the inflammatory condition by measuring blood levels of genes selected from one or more INDO, ANXA1, MMP8, ODC1 and STXBP2, where increased expression correlates with inflammatory condition. 6. Dry weight composition: DHA + EPA: 0.5-2.5% Methionine: 1-3% mg / kg Manganese: 50-200 ppm Vitamin C: 75-1000 mg / kg Vitamin E: 500-2500 mg / kg L- carnitine: 100-1500 mg / kg for the treatment or control of an inflammatory condition in a feline.1. Способ лечения или контроля воспалительного состояния у животного из семейства кошачьих путем введения рациона, содержащего на сухую массу:ДГК+ЭПК: 0,5-2,5%Метионин: 1-3% мг/к
