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Carbon footprint of heliciculture: A case study from an Italian experimental farm

TitoloCarbon footprint of heliciculture: A case study from an Italian experimental farm
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione2016
AutoriForte, A., Zucaro Amalia, De Vico G., and Fierro A.
RivistaAgricultural Systems
Volume142
Paginazione99-111
ISSN0308521X
Parole chiaveGastropoda, Helix aspersa maxima, Zea mays
Abstract

Heliciculture for food production has huge potential and new opportunities for rural development and young entrepreneurs in Italy. No studies have yet been performed on the environmental performance of snail rearing which also might be a beneficial tool for producers. The aim of the present paper is to evaluate the impact of snail meat by a cradle-to-farm gate life cycle assessment centred on the carbon footprint (CF).The study considered greenhouse gas (GHG) emissions linked to cultivation stages (indoor breeding, outdoor fattening, cleaning out and packaging) of Helix aspersa maxima meat production in a semi-intensive rearing system in Southern Italy. The shell potential for CO2 sequestration was also taken into account. Snail CF amounted to 0.7kg CO2 eq per kg fresh edible meat, with the highest share (about 60%) from the supplementary feeding production. Due to the combined effect of relevant amount input and restrained lifetime of HDPE mesh applied in the open field, the impact of breeding enclosures appeared considerable (about 29%). Greenhouse gas emissions linked to fodder cultivation and to the cleaning-out phase appeared restrained (nearly 4% and 5%, respectively), whilst the share of reproduction system, irrigation and packaging was negligible (<1%).The environmental load of supplementary feeding resulted to mainly ascribable (about 74%) to maize and field bean grain cultivation (for feed mixture). It was followed by grain transport (about 17%) and processing (about 4%) to feed mill and further transport of manufactured feed components (maize-field bean-limestone) to the snail farm (about 5%). The CF score might be reduced by 18%, including potential long term CO2 sequestration in shells. As compared to other conventional macro-livestock meat sources, snail meat showed reduced GHG emissions. © 2015 Elsevier B.V..

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-84947998933&doi=10.1016%2fj.agsy.2015.11.010&partnerID=40&md5=96be1ac6a7505091f6eec8b4bf0a04fc
DOI10.1016/j.agsy.2015.11.010
Citation KeyForte201699