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Nitrogen studies with lambs fed alfalfa (Medicago sativa) as hay, low-moisture and high-moisture silages

Nitrogen studies with lambs fed alfalfa (Medicago sativa) as hay, low-moisture and high-moisture silages

Journal of Animal Science 32(6): 1256-1261

Balance trials and a rumen and blood study were to evaluate N utilization in lambs given lucerne preserved as hay or low-moisture or high-moisture silage. Utilisation of N was greatest with hay, as shown by higher digestibilities of DM and N and N balance, least with low-moisture silage. Total N content of lucerne changed to a more soluble and NPN form during ensiling. Soluble N increased from 32% of total N in hay to 52 and 71% in low- and high-moisture silages.

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Accession: 014577545

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PMID: 5087373

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