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Administration of Brevibacillus laterosporus spores as a poultry feed additive to inhibit house fly development in feces: a new eco-sustainable concept

Ruiu, Luca and Satta, Alberto and Floris, Ignazio (2014) Administration of Brevibacillus laterosporus spores as a poultry feed additive to inhibit house fly development in feces: a new eco-sustainable concept. Poultry Science, Vol. 93 (3), p. 519-526. ISSN 0032-5791. eISSN 1525-3171. Article.

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DOI: 10.3382/ps.2013-03418

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Abstract

The success of a microbial pesticide application against house flies developing in manure should accomplish the uniform mixing of active ingredients with this breeding medium, thus enhancing residual effects. The oral administration of the entomopathogenic bacterium Brevibacillus laterosporus to caged poultry species allows the homogeneous incorporation of its active ingredients with fly breeding media. Feces from treated broilers or hens show toxicity against exposed fly adults and larvae. Insecticidal effects are concentration-dependent with a lethal median concentration (LC50) value of 1.34 × 10(8) and 0.61 × 10(8) spores/g of feces for adults and larvae, respectively. Manure toxicity against flies was maintained as long as chickens were fed a diet containing adequate concentrations of B. laterosporus spores. Toxicity significantly decreased after spore administration to birds was interrupted. When poultry diet contained 10(10) spores/g, mortality of flies reared on feces exceeded 80%. The use of B. lateroporus spores as a feed additive in poultry production systems fostering a more integrated approach to farming is discussed.

Item Type:Article
ID Code:10102
Status:Published
Refereed:Yes
Uncontrolled Keywords:Brevibacillus laterosporus, Musca domestica, feed additive, house fly, poultry
Subjects:Area 07 - Scienze agrarie e veterinarie > AGR/11 Entomologia generale e applicata
Divisions:001 Università di Sassari > 01-a Nuovi Dipartimenti dal 2012 > Agraria
Publisher:Oxford University Press
ISSN:0032-5791
eISSN:1525-3171
Copyright Holders:© 2014 Poultry Science Association Inc.
Deposited On:16 Sep 2014 11:05

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