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Ecological pig and cattle feeding with nitrogen and phosphorus



Ecological pig and cattle feeding with nitrogen and phosphorus



Ubersichten zur Tierernahrung 19(3): 201-246



A review. Nitrogen and phosphorus excretion by livestock can be decreased by adapting nutrient supply to requirements. Decreasing excretion can be achieved by estimating requirements, realizing recommended nutrient supply, phase feeding, increasing utilization of N and P, and feeding growth promoters. In pigs, decreases of up to 40% N have been achieved by phase feeding and supplementation of synthetic amino acids. Similar decreases in P excretion are possible with microbial phytase.

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