Torell, D T Factors affecting blood urea nitrogen and its use as an index of the nutritional status of sheep. [electronic resource] - Journal of animal science Aug 1974 - 435-40 p. digital Publication Type: Journal Article ISSN: 0021-8812 Standard No.: 10.2527/jas1974.392435x doi Subjects--Topical Terms: Animal FeedAnimal Nutritional Physiological PhenomenaAnimalsAnimals, NewbornBlood Urea NitrogenBreedingDietFemalePoaceaePregnancyPregnancy, MultipleSheep--metabolism