Luonnonvarakeskuksen julkaisut - Jukuri

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Predicting omasal flow of nonammonia N and milk protein yield from in vitro-determined utilizable crude protein at the duodenum

Gidlund, H.; Vaga, M.; Ahvenjärvi, Seppo; Rinne, Marketta; Ramin, M.; Huhtanen, P.
Journal of Dairy Science : 2 (American Dairy Science Association, 2018)

This study evaluated the relationship between utilizable crude protein (uCP) at the duodenum estimated in vitro and omasal flow of crude protein (CP; omasal flow of nonammonia N × 6.25) measured in lactating dairy cows. ...
Ruminal metabolism of grass silage soluble nitrogen fractions

Ahvenjärvi, Seppo; Vaga, M.; Vanhatalo, Aila; Huhtanen, P.
Journal of Dairy Science : 1 (American Dairy Science Association, 2018)

The present study was conducted to investigate ruminal N metabolism in dairy cows using 15N-labeled N sources and dynamic models. The data summarized in this study were obtained from 2 of 4 treatments whose effects were ...