Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/21602
Type: Artigo de periódico
Title: Resistance of Musca domestica L. populations to cyromazine (insect growth regulator) in Brazil
Author: Pinto, Mara Cristina
Prado, Angelo Pires do
Abstract: Five field populations of Musca domestica L. collected in poultry farms were bioassayed in order to detect possible resistance to the larvicide cyromazine in Brazil. The concentrations used were 0, 0.5, 0.1, 0.2, 0.4, 1, 2, 4 and 8 ppm. Three populations (Petrópolis, RJ, Montes Claros, MG and Promissão, SP) were resistant, while the other two populations (Ibiuna, SP and Monte Mor, SP) were more susceptible than the reference pathern used by the World Health Organization. The presence of three resistant house fly populations to cyromazine in Brazilian poultry farms strongly suggests that the operational aspects of larvicide use are important for the resistance development. Cyromazine is applied as a feed-through, both in Brazil and in the USA, where resistance has already been documented. However, in Denmark, where it was approved only as a topical manure spray, no case of resistance has yet been detected.
Subject: Musca domestica
larvicide
resistance
insect growth regulator
cyromazine
poultry farms
Editor: Instituto Oswaldo Cruz, Ministério da Saúde
Rights: aberto
Identifier DOI: 10.1590/S0074-02762001000500027
Address: http://dx.doi.org/10.1590/S0074-02762001000500027
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02762001000500027
Date Issue: 1-Jul-2001
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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