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AbstractFull Text

The aim of the study was to analyze the diet composition, utilization of summer turnips and its relation with milk production in grazing dairy cows from 35 dairy farms in the Province of Ranco, Los Ríos Region, Chile, during summer 2014. Data regarding agronomical features of summer turnip, dairy...

Author(s)
Aucal, S.; Balocchi, O.; Keim, J. P.
Publisher
Facultad de Ciencias Agrarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Agro Sur, 2015, 43, 3, pp 9-18
Abstract

Grazing dairy cows are characterized by converting a low proportion of dietary N into milk N. This low N use efficiency (NUE) is mainly due to an excessive supply of crude protein (CP) of pasture with regard to animal requirements. Excess N in the diet has negative effects for the animal; it alters ...

Author(s)
Keim, J. P.; Anrique, R.
Publisher
Instituto de Investigaciones Agropecuarias, Chillán, Chile
Citation
Chilean Journal of Agricultural Research, 2011, 71, 4, pp 623-633