Inhibition of infectious bursal disease virus transmission using bioceramic derived from chicken feces

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confidence: 99%

Bactericidal efficacy of potassium peroxymonosulfate under various concentrations, organic material conditions, exposure timing and its application on various surface carriers

Kunanusont

Punyadarsaniya

Jantafong

et al. 2020

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“…Low pathogenic avian influenza (LPAI) virus A/duck/Aomori/395/04 (H7N1) [ 7 ], NDV strain Sato [ 20 ], and IBDV vaccine strain D78 (Intervet Co., Ltd., Tokyo, Japan) [ 21 ] were used. AIV and NDV were propagated in 10-day-old embryonated chicken eggs.…”

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confidence: 99%

Virucidal activity of a quaternary ammonium compound associated with calcium hydroxide on avian influenza virus, Newcastle disease virus and infectious bursal disease virus

Ito

Alam

Suzuki

et al. 2018

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A quaternary ammonium compound (QAC) was evaluated for its virucidal efficacies with food additive grade calcium hydroxide (FdCa(OH)2). When the QAC was diluted 1:500 (QACx500) with redistilled water (dW2), it inactivated avian influenza virus (AIV) within 30 sec at 25°C, while at 2°C, it required 1 hr for inactivation. When FdCa(OH)2 powder was added to QACx500 at a final concentration of 0.17%, the mixture, namely Mix500, inactivated AIV within 3 min at 2°C. After contamination with 1% fetal bovine serum (FBS), Mix500 inactivated AIV within 2 hr at 2°C, but QACx500 did not. These results indicate synergistic effects of the QAC and FdCa(OH)2 solutions on virucidal activity.

“…Takehara et al [16] demonstrated efficacies of BCX to inactivated avian influenza virus (AIV) for the first time; thereafter, Thammakarn et al [17] reported its capacity to prevent fecal-oral transmission of infectious bursal disease virus (IBDV), alongside with its safety to chicks.…”

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confidence: 99%

“…Therefore, it is worthwhile to evaluate durability of alkaline agents, such as BCX [17] and FdCa(OH) 2 [8], for their persistent bactericidal capacities, under simulated field conditions.…”

mentioning

confidence: 99%

“…BCX powder at pH 13 is derived from chicken feces through sintering process [17], and was kindly provided by NMG Environmental Development Co., Ltd. (Tokyo, Japan). FdCa(OH) 2 powder at pH 13 [8] was made of natural calcium carbonates from limestone through calcinations and grinding process, with the average diameter of the powder particle size at 10 µ m; it was kindly provided by Fine Co., Ltd. (Tokyo, Japan).…”

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confidence: 99%

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Durability of alkaline agents’ bactericidal efficacies in litter under field conditions

Hakim

Toyofuku

Ota

et al. 2017

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Alkaline agents are well-known for their disinfection capacities against pathogens even at the presence of organic materials, but the durability of their bactericidal efficacies under field conditions is unknown. Therefore, within the present study, two alkaline agents, namely bioceramic (BCX) derived from chicken feces and food additive grade Ca(OH)2 (FdCa(OH)2) derived from natural lime stone, were evaluated for the persistence of their bactericidal efficacies in litter, under simulated field conditions. BCX powder mixed at 50% concentration in litter or FdCa(OH)2 powder at 20% concentration in litter lost their bactericidal efficacies at 3 days post exposure of chicks, and thereafter, both mentioned alkaline agents could not inactivate bacteria down to the acceptable level (≥3 log10 CFU/ml reduction).