Factors contributing to the variation in urinary creatinine and creatinine-nitrogen ratios in beef cattle.
D000818:Animals; D002417:Cattle / Q000378:metabolism*; D003401:Creatine / Q000378:metabolism*; D066298:In Vitro Techniques; D009584:Nitrogen / Q000378:metabolism*
D003401:Creatine; D009584:Nitrogen