Reducing crude protein content in the diet of lactating dairy cows improved nitrogen-use-efficiency and reduced N excretion in urine, whilst having no obvious effects on the rumen microbiome.

J Anim Sci Biotechnol · 2025 · PMC12335128 · PMID 40781649

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a trend toward significanceno p-value reported

Differences at 0.05 < P < 0.10 were considered as a trend toward significance.

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