title: Relative retentions in the nitrogen of urea and groundnut in isoenergenetic diets for growing heifers.
mesh_terms: D000818:Animals; D010367:Arachis; D001426:Bacterial Proteins / Q000096:biosynthesis; D001835:Body Weight; D002417:Cattle / Q000378:metabolism*; D005243:Feces / Q000032:analysis; D005260:Female; D005527:Food, Fortified; D009584:Nitrogen / Q000378:metabolism* / Q000652:urine; D012417:Rumen / Q000382:microbiology; D014508:Urea / Q000378:metabolism*
chemical_list: D001426:Bacterial Proteins; D014508:Urea; D009584:Nitrogen