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Air exchange is one of two requirements for proper ventilation - providing oxygen replenishment, heat and ammonia removal. The other necessity is effective air circulation
Modern, high producing dairy cows constantly need optimal environmental conditions. When the temperature rises above 22 to 25°C (particularly in confined buildings), cows start reducing their feed intake. Cows need energy to get rid of excessive heat and this causes their usually high milk production levels, to drop.
DeLaval dairy fan DF1300 - for use in loose housing barns.
DeLaval parlour fan PF142 - for use in milking parlours and animal sheds.
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