Application of disinfectants in poultry hatcheries

Samberg, Y.; Meroz, M.

doi:10.20506/rst.14.2.849

Cited by 34 publications

(31 citation statements)

References 15 publications

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“…All the treatments in the present studies were carried out at room temperature (24º-26ºC) which is considered optimum for effectiveness of the disinfectants (Samberg and Meroz, 1995). The moisture in the environment acts as a medium for disinfectant to reach inside the feces.…”

Section: Resultsmentioning

confidence: 99%

“…Surfaces must be thoroughly wet in order to improve disinfectant activity. Wet cleaning of all the infected premises must be performed systematically from back to front and from top to bottom of the farm (Samberg and Meroz, 1995). Before the use of any disinfectant in infected areas, prior use of detergents or mild alkaline compounds with surfactant action along with water washing at high pressure will ensure more effective disinfection of the area.…”

Section: Resultsmentioning

confidence: 99%

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Efficacy of Disinfectants in Inactivating H5N1 Avian Influenza Virus in Poultry Feces

Kurmi¹

2014

Adv. Anim. Vet. Sci.

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Avian Influenza virus subtype H5N1 is widely distributed among all over the world and is very important from public health, animal health and economic point of view. The virus is excreted in high concentrations in secretions and excretions including feces. It is transmitted by direct contact or indirectly through contaminated feed and water or fecal material carried through personnel and equipments. This study was carried out to check the efficacy of different disinfectants to inactivate the H5N1 virus. Efficacy of three disinfectants including ethanol (70%), NaOH (1% and 2%), and a commercial disinfectant, D125® at different dilutions were tested in inactivating the Indian H5N1 virus in poultry feces. Efficacy of disinfectants was determined by comparing the reduction in percent infectivity of virus to embryonated chicken eggs in test group and control group. The study indicated that all three disinfectants were able to inactivate the virus but their efficiency was primarily dependent on concentrations and contact time. Out of the studied disinfectants, it can be concluded that 70% ethanol, 2% NAOH and D125® (1:32 concentration) can effectively be used in laboratory and field conditions.All copyrights reserved to Nexus® academic publishers

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Efficacy of Disinfectants in Inactivating H5N1 Avian Influenza Virus in Poultry Feces

Kurmi¹

2014

Adv. Anim. Vet. Sci.

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“…Stringent hygiene in the hatchery can minimize contamination and maximize chick quality. When regular hatchery hygiene has been carried out, there has been an impressive improvement in the sanitary conditions in hatcheries (Samberg and Meroz, 1995). New equipment and facilities do not necessarily result in good hygiene, but a good hygienic program is the best way to improve hatchery hygiene (Chen et al, 2002).…”

Section: Discussionmentioning

confidence: 99%

“…Also, these regulations include setting exposure limits and maintaining health records of exposed employees, along with the provision of additional safety equipment and training (Wilson and Mauldin, 1989). For these reasons, Samberg and Meroz (1995) searched for alternative disinfectants; however, a more effective alternative was not found. Steinlage et al (2002) presented an effective disinfection method, which administrated 37% formaldehyde at a rate of 1 mL/h as constant rate infusion (CRI) by using a Buretrol Intravenous Drip Set (Braun Medical Inc., Bethlehem, PA) to reduce the potential exposure of humans and chicks to formaldehyde and also to reduce bacterial contamination in hatchers.…”

Section: Introductionmentioning

confidence: 99%

Hatchery hygiene evaluation by microbiological examination of hatchery samples

Kim

2010

Poultry Science

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This study was conducted to investigate the bacterial contamination of air and the surface of equipment and facilities in hatchery. In addition, the inhibitory effects of formaldehyde application methods on aerosol bacterial counts in the hatchers were also investigated. In the operating hatchers, the contamination of air by aerobic bacteria, coliform, and fungi was high, measuring over 300 cfu/63.6 cm(2). In the egg sorting room, contamination was moderate, whereas in the remaining sampling sites such as the setter room, candling-transfer room, and chick counting room, contamination was minimal, measuring less than 10 cfu/63.6 cm(2) for aerobic bacteria, 5 cfu/63.6 cm(2) for coliform, and 2 cfu/63.6 cm(2) for fungi. The bacterial contamination on the surface of the equipment and facilities showed similar tendencies with that of air. However, on the surfaces of the equipment and facilities in the hatcher room corridors and nonoperating hatchers where the bacterial contamination of the air was low, bacterial counts were high, measuring over 100 cfu/16 cm(2). Salmonella was mainly isolated from the hatcher rooms, chick counting room, and the related equipment and facilities but not from the areas used for the earlier processing step such as the egg receiving room, egg sorting room, setter rooms, and candling-transfer room. The Salmonella serotype that was most frequently isolated from the hatchery was Salmonella Senftenberg. The other occasional Salmonella serotypes such as Salmonella Schwarzengrund, Salmonella Madelia, Salmonella Montevideo, and Salmonella Enteritidis were isolated. The experimental group receiving formaldehyde by constant rate infusion during hatching had a significantly superior inhibitory effect on aerosol bacterial count 4 h before hatching as compared with the group receiving formaldehyde into a basin and the negative control group (P < 0.05).

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“…To ensure that a defined surface area was covered by bacterial culture, an individual egg was marked with a pencil (1.2 cm 2 area) and disinfected with formaldehyde fumigation (Samberg & Meroz 1995). Eggshell surfaces were further sanitised by immersing the eggs in 70% ethanol for 2 min, allowing them to dry in a class II biosafety cabinet, and then immediately used for experimentation.…”

Section: Biofilm Formation On Eggshellmentioning

confidence: 99%

Salmonella enterica isolates from layer farm environments are able to form biofilm on eggshell surfaces

2016

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This study examined the eggshell biofilm forming ability of Salmonella enterica isolates recovered from egg farms. Multicellular behaviour and biofilm production were examined at 22 and 37°C by Congo red morphology and the crystal violet staining assay. The results indicated that the biofilm forming behaviour of Salmonella isolates was dependent on temperature and associated with serovars. Significantly greater biofilm production was observed at 22°C compared with 37°C. The number of viable biofilm cells attached to eggshells after incubation for 48 h at 22°C was significantly influenced by serovar. Scanning electron microscopic examination revealed firm attachment of bacterial cells to the eggshell surface. The relative expression of csgD and adrA gene was significantly higher in eggshell biofilm cells of S. Mbandaka and S. Oranienburg. These findings demonstrate that Salmonella isolates are capable of forming biofilm on the eggshell surface and that this behaviour is influenced by temperature and serovar.

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Application of disinfectants in poultry hatcheries

Cited by 34 publications

References 15 publications

Efficacy of Disinfectants in Inactivating H5N1 Avian Influenza Virus in Poultry Feces

Efficacy of Disinfectants in Inactivating H5N1 Avian Influenza Virus in Poultry Feces

Hatchery hygiene evaluation by microbiological examination of hatchery samples

Salmonella enterica isolates from layer farm environments are able to form biofilm on eggshell surfaces

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