Feed from Sewage. III. Dried Activated Sewage Sludge as a Nitrogen Source for Sheep

Abstract
A ration in which 18% of the nitrogen was supplied as dried activated sewage sludge was found equal, as measured by nitrogen retention, to soybean oil meal and urea-containing rations of similar crude protein content (11–12%). The total nitrogen of the sludge-containing ration had a significantly lower apparent digestibility and a higher biological value. Copyright © . .

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