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Ventilation
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Does your ventilation system work?

Observing cow behavior, mapping air speed, looking for any issues with fan placement or maintenance and fogging sections of the barn are some of the ways to check the effectiveness of the barn’s ventilation system.
June 15, 2023
Nigel B. Cook

With so many different approaches to ventilating adult cow barns – from natural to mechanical systems, from negative pressure tunnels and cross-vents to positive pressure hybrid systems – how do you actually know if it works?


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Choosing the right fan for your barn

Compare exhaust-style fans and circulation-style fans to see which is best for your operation.
May 9, 2023
Dan Veeneman

How do we make sense of all these options available to dairy producers, when fan manufacturers and sales reps are all sure that they are the only ones with the best possible fan to offer and everything else is inferior to their product?


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Natural ventilation design for your dairy

Design considerations for sidewall and ridge openings on dairy barns to allow adequate air movement and air exchange in various seasons.
May 2, 2023
Rick McBay

Designing a natural ventilation system for your dairy involves putting together two necessary elements that create optimum conditions for year-round cow comfort.


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Preparing your natural ventilation system for winter

Tips for winterizing your farm’s ventilation system include inspecting curtains and panel systems, cycling sidewall ventilation, checking electrical components of the ventilation controller and reviewing ridge ventilation.
November 3, 2022
Rick McBay

After a few months of curtain and panel systems sitting fully open and not moving during hot weather, there comes a time every year when we must all face the fact that colder weather is coming.


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Keeping cows cool: Summer additions to a natural ventilation system

Possible additions to consider for a natural ventilation system include high-speed panel fans, cyclone style circulating fans, high-volume low-speed fans and tunnel ventilation.
July 29, 2022
Rick McBay

With as little as 16 km/h (10-mph) winds, a properly designed natural ventilation system will provide more than adequate air exchange for your dairy during hot weather.


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Fogger to check air movement

Assessing ventilation in calf barns

July 21, 2022
Courtney Halbach
How do you know if your calf barn is properly ventilated? You may see visual signs such as streaking or cobwebs on the purlins or be overwhelmed with the smell of ammonia and noticeable humidity as you enter the barn, letting you know your calf barn’s ventilation may be lacking.
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1220PD

So you want to ventilate your barn …

July 19, 2020
Nigel B. Cook
Not too long ago, we relied heavily upon natural ventilation for adult dairy cattle facilities, but in recent years a variety of mechanical and hybrid options have emerged that have the potential to improve ventilation performance.
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