The hatchery should be equipped with an effective ventilation system to maintain clean and fresh indoor air. It is recommended that the washing rooms and walkways operate under negative pressure to prevent contaminants from spreading to other areas. However, for most other rooms, positive pressure ventilation is preferable, as it helps keep outside pollutants from entering. Negative pressure should generally be avoided unless specifically required for certain controlled areas. The incubation and hatching rooms, which are critical for maintaining a sterile environment, should have their own dedicated ventilation systems to ensure proper airflow and minimize contamination risks. For facilities with better resources, a positive pressure filtration ventilation system is highly recommended. This type of system ensures that incoming and outgoing air do not mix, preventing cross-contamination and maintaining a hygienic environment throughout the hatchery. Proper ventilation not only supports the health of the eggs and chicks but also improves working conditions for staff and reduces the risk of disease outbreaks.
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