Food residue recycling by swine breeders in a developing economy: A case study in Da Nang, Viet Nam

Food residue recycling by swine breeders in a developing economy: A case study in Da Nang, Viet Nam

► We surveyed food residue recycling by swine breeders in Da Nang, Vietnam. ► Details of the recycling activities were unveiled for the first time. ► Collection amounts were correlated with farm sizes and collection frequencies. ► Estimated food residue recovery was 4.1% of MSW collection by the loc...

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Bibliographic Details
Published in:Waste management (Elmsford) Vol. 32; no. 12; pp. 2431 - 2438
Main Authors: Kato, Takaaki, Pham, Dung Thi Xuan, Hoang, Hai, Xue, Yonghai, Tran, Quang Van
Format: Journal Article
Language:English
Published: Kidlington Elsevier Ltd 01-12-2012
Elsevier
Subjects:
Animal Feed
Animal Husbandry - methods
Animals
Applied sciences
Exact sciences and technology
Food
Food residue
Pollution
Recycling - methods
Solid Waste
Swine
Swine breeder
Urban and domestic wastes
Viet Nam
Vietnam
Waste Management - methods
Wastes
Vietnam
Food residue
Viet Nam
Animal feed
Swine breeder
Food waste
Organic waste
Vertebrata
Mammalia
Swine
Village
Artiodactyla
Regression analysis
Recycling
Domestic refuse
Ungulata
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Summary:► We surveyed food residue recycling by swine breeders in Da Nang, Vietnam. ► Details of the recycling activities were unveiled for the first time. ► Collection amounts were correlated with farm sizes and collection frequencies. ► Estimated food residue recovery was 4.1% of MSW collection by the local government. This study provides a detailed description of food residue collection by swine breeders in Da Nang, Viet Nam. In January 2011, the study surveyed 30 swine breeders in two villages with respect to locations, methods, prices, quantities, and prospects for food residue collection. The sampled swine breeders regularly visited 55 locations in central Da Nang to collect raw food residue. They then transferred the food residue to their piggeries, boiled it, and fed it to their swine. A regression analysis revealed that the total amount of food residue collected by a farm depends on the number of swine in the farm and the number of collections made per day. Swine breeders in Da Nang were estimated to collect 26.3metric tons of organic waste per day, which amounted to 4.1% of domestic waste collected by the local government. Among the sampled swine breeders, 93% answered that they would continue using food residue for the next five years.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:0956-053X
1879-2456
DOI:10.1016/j.wasman.2012.07.015