Science. 1945 May 11;101(2628):489-90. doi: 10.1126/science.101.2628.489.
Either 50 mg 1(-)tryptophane or 1.0 mg nicotinic acid per 100 gms of ration completely counteracts the growth retardation caused by the inclusion of 40 per cent. corn grits in a low protein ration. A possible explanation of this observation is discussed.
每 100 克饲料中添加 50 毫克 1(-)色氨酸或 1.0 毫克烟酸,可完全抵消在低蛋白饲料中添加 40%玉米粗粉对生长的抑制作用。对这一观察结果进行了讨论。