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Vegan chickens have smaller environmental footprint

Kelowna - A study at UBCO determined chickens feed vegan feed laid eggs with a smaller footprint

The whole food movement may be right, the consumption of vegan and organic food can be the best choice for reducing environmental impacts, at least if you’re a chicken.

New research findings from UBCO shows poultry given vegan organic chicken feed can help to produce eggs with a smaller environmental footprint than those fed non-organic feeds that contain animal by-products, according to the university.

Ecological economist Nathan Pelletier applied a cradle-to-customer environmental life cycle assessment of Canadian egg and egg product supply chains, with the aim to identify opportunities for system efficiency and environmental improvements.

Related: Meet Your Farmer: Sterling Springs Chicken does things differently

His study showed that relatively few variables—most notably, feed composition—contributed to differences in carbon emission production and resource demand.

“With over 1, 000 registered farms, producing more than 70 million tonnes of eggs annually, Canada’s egg industry is an excellent example of the opportunities and challenges in managing food production systems for sustainability objectives,” said Pelletier.

Pelletier’s life cycle assessment of Canadian egg farms considered all of the supply chain activities—from type of feed and housing, to manure management—associated with egg production. His is a very systematic approach, which quantifies the flows of materials, energy, and emissions associated with activities all along the supply chain.

Pelletier’s findings showed the type of feed and manure management system had the greatest influence on environmental impacts of all the variables examined. Organic feed derived from non-livestock sources, required fewer resources and had lower emissions than conventional feed.

“Canadian egg farming is highly diverse. Farms range in size from several hundred hens to more than 400,000, and farm-level efficiencies vary,” said Pelletier. “There is a large gap between the laggers and leaders in terms of environmental performance. This is where the opportunity to improve lives.”

This is the first national benchmark study of Canadian egg supply chains and Pelletier believes that it offers important insights for improving the sustainability profile of the industry, according to the university.

The study, published in the Journal of Cleaner Production, was supported by funds from the Egg Farmers of Canada.

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