1. A method for improving the tenderness of meat comprises the step of administering to the animal a methionine ante diety.2. A method according to Claim. 1, where the meat is poultry, fish or meat, or mammalian non chelovekom.3. A method according to any one of claims. 1-2, where the meat is selected from the group consisting of meat: pork, beef, chicken, chicken, turkey, ryby.4. A method according to Claim. 1, where methionine is administered in the form of an additive, which is a drug metionina.5. A method according to Claim. 1, where methionine is administered in the form of L-methionine or methionine in the form of synthetic sources, such as DLM (i.e., DL-methionine), or any of its salt forms, in the form of its analogs (e.g., 2- hydroxy-4-methylthiobutyric acid, or all of its salt form), its derivatives (e.g., isopropyl ester of 2-hydroxy-4-methylthiobutyric acid or any of the other esters) or their smesey.6. A method according to Claim. 1, where methionine is administered to the animal in an amount of 0.1-1 g of methionine per kg of total body weight per day before uboem.7. A method according to Claim. 1, where methionine is administered to the animal in an amount of 0.3-0.6% higher than the recommended daily dozy.8. A method according to Claim. 1, where methionine is administered per day -30 to -1 before uboem.9. A method according to Claim. 1, wherein administering is carried peroralno.10 methionine. Slaughter animal diet comprising methionine, and methionine which give animal per day -30 to -1 before slaughter in a dose of 0.1-1 g per kg body weight per day or in a dose of 0.3-0.6% higher than the recommended the daily dose for pogloscheniya.11. Preslaughter diet according to claim. 10, further comprising at least one additional food for zhivotnogo.12. The meat of the slaughtered animal, which received slaughter diet comprising methionine at any1. Способ улучшения нежности мяса включает стадию введения животному метионина в виде предубойной диеты.2. Способ
