1. A partial hydrolyzate of cereal protein for use in a specific oral tolerance induction in a young mammal with allergy to said cereal protein wherein the hydrolyzate has a degree of hydrolysis of 9-18% .2. The partial hydrolyzate of Claim 1, wherein the degree of hydrolysis is from 10 to 16% .3. The partial hydrolyzate of Claim 1 or 2, wherein the grain is rice, wheat, rye, corn, barley, oats or smes.4. Cereal flour for use in inducing specific oral tolerance in a young mammal with allergy to said cereal protein, wherein the protein is partially hydrolysed and has a degree of hydrolysis of 9-18% .5. Flour of grains according to claim 4, wherein the degree of hydrolysis is from 10 to 16% .6. Cereal product for use in a specific oral tolerance induction in a young mammal with allergy to said cereal protein, said product contains 15 to 100% cereal flour according to claim 4 or 5, 0 to 40% of sugar, from 0 to 30% of starch and from 0 to 30% fat by weight of dry matter and from 1 to 85% vody.7. Cereal product according to claim 6, having a viscosity of between 2000 and 3000 mPa · s at 60 ° C / 50 vol. / Min.8. Cereal product according to claim 6, which comprises yaits.9 allergenic proteins. Cereal product according to claim 6, comprising from 5 to 10% flour cereal according to claim 4 or 5, from 2 to 7% milk powder, up to 15% fat, up to 30% sugar and up to 5% by weight of dry starch substances and from 75 to 90% vody.10. Cereal product according to claim 9, wherein hypoallergenic milk is provided a mixture for mladentsev.11. Cereal product according to claim pp.6-10, wherein the grain is rice, wheat, rye, corn, barley, oats or smes.12. A method for inducing a specific pen1. Частичный гидролизат белка зерновых для применения в индуцировании специфической пероральной толерантности у молодого млекопитающего с аллергией на упомянутый белок зерновых, в котором гидролизат имеет степень гидролиза 9-18%.2. Частичный гидролизат по п.1, в котором степень гидролиза составляет от
