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Nitrogen Flow Characterization of Laying Hen Production Systems: A Mass Balance Approach

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  2012 IX International Livestock Environment Symposium (ILES IX)  ILES12-1647.(doi:10.13031/2013.41584)
Authors:   Frédéric Pelletier, Stéphane Godbout, Sébastien Fournel, Martin Belzile, Matthieu Girard
Keywords:   laying hens, mass balance, nitrogen, manure

A better understanding of the whole farm nitrogen (N) cycle is a key factor in the identification of the environmental hot spot associated with laying hen production systems. The objective of the current study was to quantify N flow for the entire production cycle (barn, manure storage and land application) of a typical laying hen farm using a mass balance approach. A typical farm equipped with a manure belt cage system with natural drying was used for the N flow characterization. The manure was considered stored on the farm and land applied following a nutrient management plan.

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