INTRODUCE TYPE OF VENTILATION IN POULTRY

POULTRY VENTILATION TYPES:

 1.Tunnel Ventilation

 2.Minimum Ventilation

 3.Natural Ventilation

 4.Transition Ventilation

 Tunnel Ventilation:

 ●It works by using air speed to cool the poultry animal.

   The air enter from the front of the house then travel down the lenght of the house

   over the poultry animal.

   And this which is called “wind chill effect”.

 ●Chill effect in tunnel is depending on the age of the bird it experiences

    different chill effect

 Minimum Ventilation:

  ●If the inside set of temperature is higher than outside temperature

    The air mix with the warmer air inside the house before it comes in contact

    With the animal  

  ●So that if the house become cooler than the set point, than the heat source is in correct.

     Not to reduce minimum ventilation to increase heat the house.

     Minimum air requirement need to be calculated that the animal needs

  Natural Ventilation:    

   ●It occurs required inside temperature and the outside temperature is EQUAL

   ●When the animal requires no heating or cooling

     When animal only requires air circulation in the house

   ●To bring in Oxygen and to remove Harmful Gases

 Transition Ventilation:   

  ●When the animal requires cooling

  ●This is when the pressure increases in the house

    This is when there becomes Air Speed in the house

  ●With Air Speed the animal feel a Chill Effect

         Animal feels cooler

 All of the third first of the above ventilation is come under the heading of 

“Low Pressure Ventilation” (LPV) 

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