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    Poultry Business – August 2025 issue out now

    By Chloe RyanAugust 13, 2025
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Feed & Nutrition

Lifecycle assessment shows feed enzyme reduces broiler carbon footprint

Chloe RyanBy Chloe RyanJune 19, 20242 Mins Read
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Studies have shown that incorporating a feed enzyme into broiler diets can reduce carbon footprints by up to 3.3%.

When incorporated into diets, Elanco’s Hemicell XT enzyme breaks down the performance-impacting compounds, β-mannans, resulting in less wasted energy and enhanced intestinal integrity. This therefore reduces feed costs while improving animal health and product sustainability.

Alex Sly nutritional advisor at Elanco, said a lifecycle assessment (LCA) was carried out to evaluate the product’s contribution to reducing carbon emissions.

“The LCA looked into two key areas. The carbon emissions produced during the manufacturing of Hemicell XT, as well as the environmental impact on calorie removal within livestock diets,” she said.

This type of insight is becoming increasingly essential for producers and processors looking to demonstrate their environmental credentials to retailers, committing to carbon emission reduction targets. To reach these net zero targets, Sly says there is not a ‘one size fits all’ approach and a series of incremental improvements will be required, with Hemicell XT playing a valuable part in developing a solution.

Explaining the results from the LCA, she says: “We carried out the study in line with the ISO 14040/14044 standards, where we compared two rations of feed, a control ration and one which was reformulated to include Hemicell XT.

“By including Hemicell XT in the broiler feed ration, we were able to remove 60 kcal/kg ME, which led to a reduction in carbon footprint ranging from 2.7 to 3.3%,” said Sly.

“This trend was also experienced in pig diets, with 55 kcal/kg ME able to be removed, resulting in the carbon footprint of the reformulated diets dropping by 1.2 to 4.2%, depending on the scenario.”

The carbon footprint of 1kg of chicken is approximately 3.3 kg CO2eq. Around 70% of these carbon emissions are generated by feed1, which demonstrates the significance of reducing the carbon footprint of the ration on the overall footprint of the meat product.

The trial results showed that Hemicell XT can reduce the footprint of compound feed by 3%, and producers can benefit from a 2% carbon reduction in the final meat product1.

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Chloe Ryan

Editor of Poultry Business, Chloe has spent the past decade writing about the food industry from farming, through manufacturing, retail and foodservice. When not working, dog walking and reading biographies are her favourite hobbies.

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