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

Hakimullah HAKIM; Chiharu TOYOFUKU; Mari OTA; Mayuko SUZUKI; Miyuki KOMURA; Masashi YAMADA; Md. Shahin ALAM; Natthanan SANGSRIRATANAKUL; Dany SHOHAM; Kazuaki TAKEHARA

doi:10.1292/jvms.17-0029

This article has now been updated. Please use the final version.

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

Hakimullah HAKIM, Chiharu TOYOFUKU, Mari OTA, Mayuko SUZUKI, Miyuki KOMURA, Masashi YAMADA, Md. Shahin ALAM, Natthanan SANGSRIRATANAKUL, Dany SHOHAM, Kazuaki TAKEHARA

Author information

Hakimullah HAKIM
Laboratory of Animal Health, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology
The United Graduate School of Veterinary Science, Gifu University
Chiharu TOYOFUKU
Laboratory of Animal Health, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology
Mari OTA
Laboratory of Animal Health, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology
Mayuko SUZUKI
Laboratory of Animal Health, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology
Miyuki KOMURA
Laboratory of Animal Health, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology
Masashi YAMADA
Laboratory of Animal Health, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology
Md. Shahin ALAM
Laboratory of Animal Health, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology
The United Graduate School of Veterinary Science, Gifu University
Natthanan SANGSRIRATANAKUL
Laboratory of Animal Health, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology
The United Graduate School of Veterinary Science, Gifu University
Dany SHOHAM
Laboratory of Animal Health, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology
Bar-Ilan University, Begin-Sadat Center for Strategic Studies
Kazuaki TAKEHARA
Laboratory of Animal Health, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology
The United Graduate School of Veterinary Science, Gifu University

Keywords: bioceramic, food additive grade calcium hydroxide, infection control/disinfection, livestock biosecurity, poultry production

JOURNAL FREE ACCESS Advance online publication

Article ID: 17-0029

DOI https://doi.org/10.1292/jvms.17-0029

The final version of this article is now available: Vol. 79 (2017), No. 5 pp. 815-817

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Abstract

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)₂powder 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).

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