The effect of standardized ileal digestible isoleucine:lysine in diets containing 20% dried distillers grains with solubles on finishing pig performance and carcass characteristics

标准化回肠可消化异亮氨酸：赖氨酸比例对含20%干酒糟及其可溶物的日粮中育肥猪生产性能和胴体特性的影响