Urinary creatinine as an index compound for estimating rate of excretion of steroids in the domestic sow.
D000818:Animals; D001835:Body Weight; D003404:Creatinine / Q000032:analysis / Q000652:urine; D004971:Estrus; D005260:Female; D011247:Pregnancy; D011278:Pregnanes / Q000652:urine*; D011284:Pregnenolone / Q000032:analysis; D013552:Swine / Q000502:physiology*
D011278:Pregnanes; D011284:Pregnenolone; D003404:Creatinine