Inclusion of a tannin-rich legume in the diet of beef steers reduces greenhouse gas emissions from their excreta

The objectives of this study were to determine the emission of nitrous oxide (N 2 O), methane (CH 4 ), and carbon dioxide (CO 2 ), as well as the isotopic composition of N 2 O from excreta of beef steers fed ‘AU Grazer’ sericea lespedeza hay [SL; Lespedeza cuneata (Dum. Cours.) G. Don]. Fifteen Brah...

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Bibliographic Details
Published in:Scientific reports 2022-08, Vol.12 (1), p.14220-14220, Article 14220
Main Authors: O. S. van Cleef, Flavia, B. Dubeux, José C., M. Ciriaco, Francine, Henry, Darren D., Ruiz-Moreno, Martin, M. Jaramillo, David, Garcia, Liza, S. Santos, Erick R., DiLorenzo, Nicolas, B. Vendramini, João M., Naumann, Harley D., Sollenberger, Lynn E.
Format: Article
Language:English
Subjects:
704/106/694/682
704/172/4081
Beef
Carbon dioxide
Diet
Emissions
Emissions control
Feces
Greenhouse effect
Greenhouse gases
Hay
Humanities and Social Sciences
Legumes
multidisciplinary
Nitrous oxide
Science
Science (multidisciplinary)
Urine
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Summary:The objectives of this study were to determine the emission of nitrous oxide (N 2 O), methane (CH 4 ), and carbon dioxide (CO 2 ), as well as the isotopic composition of N 2 O from excreta of beef steers fed ‘AU Grazer’ sericea lespedeza hay [SL; Lespedeza cuneata (Dum. Cours.) G. Don]. Fifteen Brahman × Angus crossbred steers were fed one of three experimental diets: 0, 50, or 100% inclusion of SL into ‘Tifton 85’ bermudagrass hay ( Cynodon spp.). Gas sampling occurred on days 0, 1, 3, 5, 7, 14, 18, 25, and 32 after urine or feces application to static chambers for two experimental periods. Effect of the day after feces application ( P  
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-022-18523-y