METHIO FORTE (Herbots)DL Methionine amino acid stimulates moulting and development of new feathers. The moulting season is one of the most important periods of a pigeon as the new fathers for the upcoming season are formed. Everything starts with moulting! The Herbots moulting scheme guarantees perfect moulting. Herbots METHIO FORTE contains an exceptional high level of DL Methionine (33%), the maximum amount absorbed by pigeons, a higher concentration should be avoided.