1. The hydrolyzate obtained by hydrolyzing a substrate containing at least one animal non-dairy protein, food-grade bacteria in an environment with a salt content of less than 2 wt.%. 2. The hydrolyzate according to claim 1, wherein the hydrolysis of said substrate is carried out in an environment with a salt content of less than 1 wt.%, Preferably with a salt content of less than 0.5 wt.%. 3. The hydrolyzate of claim 1 or 2, wherein the hydrolysis of the substrate is carried out by immersion. The hydrolyzate of claim 1, wherein the animal protein is selected from protein from farm animals, including poultry, or from a marine animal protein, including shrimp or fish. The hydrolyzate of claim 1, wherein the substrate further comprises at least one vegetable protein. The hydrolyzate according to claim 5, wherein the vegetable protein is selected from their protein beans, such as soy, wheat, corn or rice. The hydrolyzate of claim 1, wherein the food grade bacteria are capable of producing at least one type of protease. A hydrolyzate according to claim 1, wherein the food-grade bacteria are selected from Bacillus subtilis species. The hydrolyzate of claim 8, wherein the food grade bacteria are Bacillus natto. 10. The hydrolyzate according to claim 1, which does not contain mold or yeast. A method of producing a hydrolyzate, comprising the steps of: (a) mixing the substrate with food grade bacteria and (b) incubating the mixture obtained in step (a) under conditions with a salt content of less than 2 wt. %; where the substrate contains at least one animal non-dairy protein. 12. The method according to claim 11, in which stage (b) is carried out at a salt content of less than 1 wt.%, Preferably at a salt content of less than 0.5 wt. %.thirteen. The method of claim 11, wherein the substrate further comprises at least one growth agent1. Гидролизат, полученный путем, гидролиза субстрата, содержащего по меньшей мере один животный немолочный белок, бактериями пищевого качества