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Use of 3-nitrooxypropanol in early-lactation dairy cows fed a high forage total mixed ration: Effect on enteric methane emissions, performance, and milk carbon isotopic signature

Saro C, Martin C, Cantalapiedra-Hijar G, Bouchon M, Chantelauze C, Morgavi DP 2026 Journal of dairy science

Abstract

The aim of this study was to test the effect of 3-nitrooxypropanol (3-NOP) on methane emissions, animal performance, milk composition, and rumen fermentation in early-lactation dairy cows fed a forage-rich diet. A second objective was to assess the 13 C isotopic signature of milk as a potential proxy for…

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Studied ingredients

Species involved

Dairy cow

Keywords

Enteric Methane3-NitrooxypropanolEarly-lactation Dairy CowsMilk Isotopic Signature

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