A new method for the estimation of percentage of absorbed nitrogen retained by rats and pigs.
D000818:Animals; D001835:Body Weight / Q000187:drug effects*; D004044:Dietary Proteins / Q000378:metabolism*; D007202:Indicators and Reagents; D007408:Intestinal Absorption; D008297:Male; D008722:Methods; D009584:Nitrogen / Q000032:analysis* / Q000378:metabolism; D011188:Potassium / Q000378:metabolism* / Q000494:pharmacology / Q000652:urine; D011506:Proteins / Q000494:pharmacology; D051381:Rats; D012964:Sodium / Q000494:pharmacology; D013053:Spectrophotometry; D013552:Swine
D004044:Dietary Proteins; D007202:Indicators and Reagents; D011506:Proteins; D012964:Sodium; D009584:Nitrogen; D011188:Potassium