Ventilation and circulation principles for poultry houses

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0:11 Why to ventilate a poultry house • 0:43 Roof ventilation • 0:59 Longitudinal ventilation • 1:07 Tunnel ventilation • 1:16 Combination ventilation • 1:28 Circulation in poultry houses • 1:37 Vertical circulation fans • 1:48 Horizontal circulation fans • 1:56 Why circulation fans are used • 2:09 Multifan Exhaust fans • 2:19 Multifan Circulation fans

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