- A naturally ventilated house can be scaled to any size. In order to control temperature effectively a naturally ventilated house must be orientated in a north/south direction.
- The purpose of poultry housing is to provide chickens with a healthy and comfortable environment that’s clean, dry and secure. The most affordable type is a naturally ventilated house scalable to any size.
- This doesn’t make use of costly air-conditioning to control the climate inside and does not need to be fitted with a lot of special insulation material.
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- The most common type of naturally ventilated poultry house is built with the two shortest sides constructed from bricks and the two longer walls from corrugated iron.
- These are easily converted to day-range houses which allow chickens to be let out during the day to graze in camps.
- Positioning Poultry House
- In order to control temperature effectively a naturally ventilated house must be built in a north/south direction.
- That is, the longer sides must face north and south, the shorter, brick sides east and west.
- As the sun rises, the house is heated evenly and chickens do not compete for heat as a uniform environment is created.
- The long sides must also have an opening that runs the length of the house. This helps with the exchange of gasses.
- Carbon dioxide for one, emitted from wet chicken litter, has to escape the house as it moves upward.
- If it stays trapped it can lead to the growth of harmful pathogens and influence the productivity of layers and growth rate of broilers.
- The opening must face north because in South Africa strong winds usually do not come from a northerly direction, and this precaution will also help limit the possibility of a strong wind lifting the roof of off the chicken house.
- Chickens do not like wind anyway. Any disruption to their comfort will affect their feed intake and, as a result, their weight gain or egg production.
- The opening must be covered in mesh to prevent the entry of wild birds, which can transmit diseases to chickens.
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