When it contacts with the water, as it includes the degassing characteristic substance which discharges the vapor, as the active ingredient it features that the gel base is included at the gel formation possible quantity, when taking the water or adding liquefied diluent vis-a-vis the composition for ingestion of dry form and the composition for the aforementioned ingestion of dry form, it features that it formed, mixing with the composition for gel ingestion, and the composition and the fodder for the aforementioned gel ingestion it discloses the mixed feed which is produced.水と接触すると気体を放出する気体放出性物質を有効成分として含むと共に、ゲル基剤をゲル形成可能量で含むことを特徴とする、乾燥形態の経口摂取用組成物、乾燥形態の前記経口摂取用組成物に対して、服用時に水又は液状希釈剤を添加して形成したことを特徴とする、ゲル状経口摂取用組成物、及び前記ゲル状経口摂取用組成物と飼料とを混合して製造される混合飼料を開示する。
