The presenting taste component quantity of the flesh and/or increase method of flavor is offered with the fodder for the fowl or the domestic animal or the component adjustment of the drinking water. Furthermore, the presenting taste component of the flesh to be many produces the flesh which is superior in flavor and eating quality, at the same time offers the production possible fodder and the drinking water easily. Basic amino acid (the lysine and/or the arginine) the fodder whose content is high is allowed to the fowl or the domestic animal. In addition, the water which includes basic amino acid is allowed to the fowl or the domestic animal. In addition, the presenting taste component quantity of the flesh and/or being the fodder which increases flavor, vis-a-vis the lysine nutrition required quantity it features that it contains 100 - 130% arginine vis-a-vis 120 - 200% lysine and the arginine nutrition required quantity. Furthermore, the presenting taste component quantity of the flesh and/or being the fowl or domestic animal in order to increase flavor the drinking water, basic amino acid it features that it mixes to the water.家禽又は家畜用の飼料又は飲水の成分調節により食肉の呈味成分量及び/又は風味の増加方法を提供する。さらに、食肉の呈味成分が多く風味や食味に優れた食肉を生産し、且つ容易に製造可能な飼料及び飲水を提供する。塩基性アミノ酸(リジン及び/又はアルギニン)含量の高い飼料を家禽又は家畜に給与する。また、塩基性アミノ酸を含む水を家禽又は家畜に給与する。また、食肉の呈味成分量及び/又は風味を増加させる飼料であって、リジン栄養要求量に対して120~200%のリジンとアルギニン栄養要求量に対して100~130%のアルギニンを含有することを特徴とする。さらに、食肉の呈味成分量及び/又は風味を増加させるための家禽又は家畜用飲水であって、塩基性アミノ酸を水に混和したことを特徴とする。
