An exploration on greenhouse gas and ammonia production by insect species suitable for animal or human consumption.
<h4>Background</h4>Greenhouse gas (GHG) production, as a cause of climate change, is considered as one of the biggest problems society is currently facing. The livestock sector is one of the large contributors of anthropogenic GHG emissions. Also, large amounts of ammonia (NH(3)), leadin...
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2010
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oai:doaj.org-article:6dee93a3572644fd84382ef9580be41b2021-11-18T07:01:06ZAn exploration on greenhouse gas and ammonia production by insect species suitable for animal or human consumption.1932-620310.1371/journal.pone.0014445https://doaj.org/article/6dee93a3572644fd84382ef9580be41b2010-12-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/21206900/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Background</h4>Greenhouse gas (GHG) production, as a cause of climate change, is considered as one of the biggest problems society is currently facing. The livestock sector is one of the large contributors of anthropogenic GHG emissions. Also, large amounts of ammonia (NH(3)), leading to soil nitrification and acidification, are produced by livestock. Therefore other sources of animal protein, like edible insects, are currently being considered.<h4>Methodology/principal findings</h4>An experiment was conducted to quantify production of carbon dioxide (CO₂) and average daily gain (ADG) as a measure of feed conversion efficiency, and to quantify the production of the greenhouse gases methane (CH₄) and nitrous oxide (N₂O) as well as NH₃ by five insect species of which the first three are considered edible: Tenebrio molitor, Acheta domesticus, Locusta migratoria, Pachnoda marginata, and Blaptica dubia. Large differences were found among the species regarding their production of CO₂ and GHGs. The insects in this study had a higher relative growth rate and emitted comparable or lower amounts of GHG than described in literature for pigs and much lower amounts of GHG than cattle. The same was true for CO₂ production per kg of metabolic weight and per kg of mass gain. Furthermore, also the production of NH₃ by insects was lower than for conventional livestock.<h4>Conclusions/significance</h4>This study therefore indicates that insects could serve as a more environmentally friendly alternative for the production of animal protein with respect to GHG and NH₃ emissions. The results of this study can be used as basic information to compare the production of insects with conventional livestock by means of a life cycle analysis.Dennis G A B OonincxJoost van ItterbeeckMarcel J W HeetkampHenry van den BrandJoop J A van LoonArnold van HuisPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 5, Iss 12, p e14445 (2010) |
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EN |
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Medicine R Science Q |
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Medicine R Science Q Dennis G A B Oonincx Joost van Itterbeeck Marcel J W Heetkamp Henry van den Brand Joop J A van Loon Arnold van Huis An exploration on greenhouse gas and ammonia production by insect species suitable for animal or human consumption. |
| description |
<h4>Background</h4>Greenhouse gas (GHG) production, as a cause of climate change, is considered as one of the biggest problems society is currently facing. The livestock sector is one of the large contributors of anthropogenic GHG emissions. Also, large amounts of ammonia (NH(3)), leading to soil nitrification and acidification, are produced by livestock. Therefore other sources of animal protein, like edible insects, are currently being considered.<h4>Methodology/principal findings</h4>An experiment was conducted to quantify production of carbon dioxide (CO₂) and average daily gain (ADG) as a measure of feed conversion efficiency, and to quantify the production of the greenhouse gases methane (CH₄) and nitrous oxide (N₂O) as well as NH₃ by five insect species of which the first three are considered edible: Tenebrio molitor, Acheta domesticus, Locusta migratoria, Pachnoda marginata, and Blaptica dubia. Large differences were found among the species regarding their production of CO₂ and GHGs. The insects in this study had a higher relative growth rate and emitted comparable or lower amounts of GHG than described in literature for pigs and much lower amounts of GHG than cattle. The same was true for CO₂ production per kg of metabolic weight and per kg of mass gain. Furthermore, also the production of NH₃ by insects was lower than for conventional livestock.<h4>Conclusions/significance</h4>This study therefore indicates that insects could serve as a more environmentally friendly alternative for the production of animal protein with respect to GHG and NH₃ emissions. The results of this study can be used as basic information to compare the production of insects with conventional livestock by means of a life cycle analysis. |
| format |
article |
| author |
Dennis G A B Oonincx Joost van Itterbeeck Marcel J W Heetkamp Henry van den Brand Joop J A van Loon Arnold van Huis |
| author_facet |
Dennis G A B Oonincx Joost van Itterbeeck Marcel J W Heetkamp Henry van den Brand Joop J A van Loon Arnold van Huis |
| author_sort |
Dennis G A B Oonincx |
| title |
An exploration on greenhouse gas and ammonia production by insect species suitable for animal or human consumption. |
| title_short |
An exploration on greenhouse gas and ammonia production by insect species suitable for animal or human consumption. |
| title_full |
An exploration on greenhouse gas and ammonia production by insect species suitable for animal or human consumption. |
| title_fullStr |
An exploration on greenhouse gas and ammonia production by insect species suitable for animal or human consumption. |
| title_full_unstemmed |
An exploration on greenhouse gas and ammonia production by insect species suitable for animal or human consumption. |
| title_sort |
exploration on greenhouse gas and ammonia production by insect species suitable for animal or human consumption. |
| publisher |
Public Library of Science (PLoS) |
| publishDate |
2010 |
| url |
https://doaj.org/article/6dee93a3572644fd84382ef9580be41b |
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