Poultry farming is one of the most efficient sectors of animal production, and part of these achievements have been due to the implementation of technologies such as ventilation in controlled environments. Ensuring a balanced environment and optimal conditions for the birds is translated into improved intensive production and long-term cost reduction. Therefore, knowing how ventilation systems work and what benefits they have is a crucial element for the development of any poultry farm

• Air inlet: at no time should the air inlet be directly on the birds because it will generate stress. It must inlet in the upper part of the shed to mix with the air inside the house.
• Location of the house: before building a poultry house, factors, such as the cardinal position, must be taken into account to avoid direct sunlight on the birds and airflows that may favor or complicate the ventilation of our system.
• Environmental gas meters: it is important to keep a record of the quantity of gases such as Carbon Dioxide CO2, Carbon Monoxide CO, Ammonia NH3, among others, to monitor the balance of the circulating air.
• Technical and professional assistance: advice is necessary to establish exact parameters such as circulating airspeed, types of fans and extractors, number of air inlets, and their position, among others.

Read this paper:

DEVELOPMENT OF SOLAR/WIND EVAPORATIVECOOLING SYSTEM FOR POULTRY HOUSING

MUJAHID SID AHMED1; A/HAFEEZ M. A/ALLA1, and KAMAL N. A/ALLA2

1 Agricultural Engineering Department, 2 Mechanical Engineering Department, University of Khartoum, Sudan

Received July. 2008, accepted after revision Feb. 2009

ABSTRACT

In this research a poultry housing model was developed to study the possibility of using solar and wind energy to cool air inside the house. In this model the roof was heated by solar energy, creating negative pressure in a well insulated air cavity left under the roof. As a result, air convection from the air cavity generated suction force to pull air through evaporative cooling pads installed on the wind ward side. Direct wind force helped in enhancing cool air flow into the shed. An air cowl was installed at the outlet of roof cavity to assist in air suction from the shed.Daily readings of air temperature outside, inside the model and in roof air cavity were taken on hourly basis throughout the study period (October to December). Also,readings of relative humility and air speed were taken. The results obtained showed that, the adiabatic efficiency of cooling pads varied between (0.64 and 0.73), the average cool air temperature varied between (20.3 to 26.9 oC) during the peak thermal hours of the day. Cooling air velocity in the model varied between (0.23 to 1.21 m/s),while the air flow rates varied between (0.621 to 3.21 m3/s) .All these values were found to be within the acceptable range for poultry rearing. These results indicated that, there is a practical possibility for employing solar and wind power to cool air in the traditional poultry houses which are widely used in poultry production in the Sudan.This is especially important for the rural areas where electric power is not available. Solar energy may also be utilized to power the pump required for pads wetting.

Keywords: Alternative Energy, Evaporative cooling, poultry production.

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https://www.thepoultrysite.com/articles/key-factors-for-poultry-house-ventilation

https://www.cobb-vantress.com/academy/articles/article/2018/06/01/ventilation-management-in-poultry-houses

https://www.poultryhub.org/production/husbandry-management/housing-and-ventilation/

https://www.wattagnet.com/articles/39789-keys-to-proper-poultry-house-ventilation

https://www.extension.umn.edu/poultry-air-quality/ventilation-systems.html

https://poultry.extension.org/articles/poultry-housing-tips/ventilation-systems-for-poultry-houses/