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Author Pilotto, F. ♦ Santos, Lr ♦ Klein, Wa ♦ Nascimento, Vp ♦ Rodrigues, Lb ♦ Colussi, Fm
Source Directory of Open Access Journals (DOAJ)
Content type Text
Publisher Fundação APINCO de Ciência e Tecnologia Avícolas
File Format HTM / HTML
Date Created 2013-09-05
Copyright Year ©2007
Language English
Subject Domain (in LCC) SF1-1100 ♦ SF600-1100 ♦ QL1-991
Subject Keyword Agriculture ♦ Disinfectants ♦ Dirt floor ♦ Science ♦ Animal culture ♦ Poultry breeder houses ♦ Antimicrobial activity ♦ Veterinary medicine ♦ Zoology
Abstract Dirt floors are used on most Brazilian poultry farms since the construction of concrete floors is very expensive. In vitro tests carried out to verify the effectiveness of disinfectants do not consider the adverse conditions found in poultry farms. Therefore, the present study aimed at evaluating the effect of six commercial disinfectants on the reduction of total and fecal coliforms on the dirt floor of breeder houses. The amount of disinfectant solution to be used per square meter was defined by counting total and fecal coliforms at different soil depths and by analyzing soil physical properties. Coliforms were detected at 0.5 cm, and one liter of disinfectant solution was sufficient for soil saturation at this depth. After that, the efficacy of six commercial products (caustic soda, hydrated lime, phenols 1 and 2, iodine, glutaraldehyde, and quaternary ammonium) in reducing the number of coliforms, after six hours of contact with the dirt floor, was assessed using the most probable number (MPN) method. Escherichia coli specimens isolated from the dirt floor were used to evaluate in vitro effectiveness of disinfectants. Products that yielded the best results in the MPN method were also effective in the in vitro tests. Among the tested disinfectants, hydrated lime was the most efficient, reducing the initial contamination by 2.9 log after six hours of contact with the dirt floor.
ISSN 1516635X
Age Range 18 to 22 years ♦ above 22 year
Educational Use Research
Education Level UG and PG ♦ Career/Technical Study
Learning Resource Type Article
Publisher Date 2007-06-01
e-ISSN 1516635X
Journal Brazilian Journal of Poultry Science
Volume Number 9
Issue Number 2
Page Count 5
Starting Page 127
Ending Page 131


Source: Directory of Open Access Journals (DOAJ)