Improving the environment of broiler breeder confinement facilities by means of an electrostatic space charge system
Richardson, Larry Jason
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Dust and microorganisms are associated with poultry confinement facilities. Since, microorganisms in general are carried by dust particles, this provides an excellent vector for horizontal disease transmission between birds. An electrostatic space charge system (ESCS) was investigated in its effectiveness on reducing airborne dust, microorganism and horizontal disease transmission in pullet and lay facilities. The ESCS was designed to reduce airborne dust and bacteria by inducing a strong negative electrostatic charge on airborne particulates and to collect these particulates on the grounded surfaces. Dust concentrations in each room were logged at 10-minute intervals and airborne bacteria levels were measured using media plates exposed to the air. Airborne dust levels were significantly reduced in the pullet and lay facility. Reducing airborne dust particulates, significantly reduced overall bacteria and reduced horizontal transmission of an inoculated Salmonella enteritidis. The ESCS was an effective means of reducing dust, bacteria and disease transmission between birds.