Nutrient balance sheets (NBS) are used to estimate phosphorus loads produced by rearing facilities, but currently are not recognized in the Agricultural Operations Regulation (AOR). A project was set up in cooperation with Fédération des producteurs d’oeufs du Québec and a number of producers to test the nutrient balance sheet method as a tool for estimating phosphorus output from pullets and laying hens in case the AOR is amended. The project consisted of evaluating the phosphorus retention factor, the accuracy of the method, and “sensitive” parameters, and generating test criteria for producers. A guide presenting and explaining the results was published along with the necessary training materials.
From 2016 to 2018
Water protection, Fertilizer management, Environmental regulations
This project will provide growers with a tool to estimate phosphorus discharge from their farms.
Quebec Reference Center for Agriculture and Agri-food
This project will draw recommendations to reduce fugitive emissions through technical means or agricultural practices.
Economic analysis of a project initiated by Agrinova to encourage cows to move from the pasture to the milking parlor.
Researcher: Luc Belzile
This project aims to measure the impact of new breeding systems that meet new animal welfare standards regarding air quality and the health and productivity of laying hens.
Researcher: Stéphane Godbout