Ground pipe ventilation has a lot of benefits:
>        Energy costs go down strongly
>       The soiling of the pens and the emission of ammonia are reduced
>        It creates a more stable climate in the stable (there is no difference in day or night temperature of the incoming air)
>        There are no influences of the wind
>        Higher production and reproduction results
>        No relapse in performance in warm periods
>        Less heat stress
>        Higher feed intake in the summer
>        Lower maximum ventilation and a higher minimum ventilation

In the winter the ground pipe ventilation heats up the air and in the summer it cools down the air.
  
Click here for the pictures of the installation of a ground pipe system in Tilburg, Netherlands. 

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