仔猪尿羟脯氨酸/肌酐(HP/Cr)比值在不同生长时期变化规律的研究
자저뇨간포안산/기항(HP/Cr)비치재불동생장시기변화규률적연구
Study on the Change Law of Urinary Hydroxyproline/Creatinine Ratio in Different Growth stage