Biodegradation of pig manure by the housefly, Musca domestica: a viable ecological strategy for pig manure management.
The technology for biodegradation of pig manure by using houseflies in a pilot plant capable of processing 500-700 kg of pig manure per week is described. A single adult cage loaded with 25,000 pupae produced 177.7±32.0 ml of eggs in a 15-day egg-collection period. With an inoculation ratio of 0.4-1...
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| Autores principales: | , , , , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
Public Library of Science (PLoS)
2012
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/bb0b250288fd485e9015f8f9b887d6a6 |
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| Sumario: | The technology for biodegradation of pig manure by using houseflies in a pilot plant capable of processing 500-700 kg of pig manure per week is described. A single adult cage loaded with 25,000 pupae produced 177.7±32.0 ml of eggs in a 15-day egg-collection period. With an inoculation ratio of 0.4-1.0 ml eggs/kg of manure, the amount of eggs produced by a single cage can suffice for the biodegradation of 178-444 kg of manure. Larval development varied among four different types of pig manure (centrifuged slurry, fresh manure, manure with sawdust, manure without sawdust). Larval survival ranged from 46.9±2.1%, in manure without sawdust, to 76.8±11.9% in centrifuged slurry. Larval development took 6-11 days, depending on the manure type. Processing of 1 kg of wet manure produced 43.9-74.3 g of housefly pupae and the weight of the residue after biodegradation decreased to 0.18-0.65 kg, with marked differences among manure types. Recommendations for the operation of industrial-scale biodegradation facilities are presented and discussed. |
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