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Animal comfort begins with ventilation part 1

October 6, 2011

Technological developments in recent years have developed new tendencies when it comes to animal comfort. Even in the mechanical and electronic fields with high tech feeding systems, it continues to grow. Now, when a dairy building is going to be designed, most decisions are made to ensure the utility and comfort of the animals. The ventilation of a livestock building is a priority when dealing with animal comfort. The production depends on it.

Ventilation Principles

1. Main Ventilation
Among these principles, it is common to find: natural ventilation, tunnel ventilation and cross ventilation. Natural ventilation can be broken down into three principles: canvas, blown membrane (Isocell) and panels. Each system has its specialities. For similar applications, they meet different needs for the user.

2. Booster Fan
Climate changes have made enormous variations in temperatures over the recent years. Everyone notices how common it is now to experience periods of extreme heat at various times during the year. So ventilation is a serious business! For most of the systems listed above, you can get a supportive technology to counter this period during the summer heat. We are talking about: misting "fogging / cooling", high flow recirculation fans or standard recirculation fans. Here are some of the effects heat has on milk production. Losses that may reach $ 170 to $ 520 / annually per lactating cow:

1. Loss of milk production (3 to 5 litres / cow / day) minimum;
2. Decreased fat count in milk;
3. Increases in animals refusing food (waste);
4. Increased heat returns (increased insemination)
5. Increase in calving interval calving /calving.

A new trend that we see regularly today is a mix of technologies. It is not uncommon for a customer to purchase natural and tunnel ventilation. Natural ventilation offers the tranquility and economic power of a tempered temperature. The tunnel ventilation is thus used as extra ventilation in summer. It remains very powerful. The recommended minimum speed in 2011 is around 330pi/min (6 km / hr) or (3.75mi/hr).

Recirculation fans of great air flow that are 14 ', 20', 24 ' in diameter can be located either at the center of the building or in several rows. It is expected that the fans in the center of the building dry out your aisle. For a building that is over 100 'wide, single aisles may not offer you the performance you desire. Ask your expert about the subject.

In summary, in your future investment projects, it is essential to reserve a portion of your budget for a performing ventilation system. You have the technology and expertise at your disposal, use it! This investment will remain an excellent investment for you and it pays for itself very quickly. See to it!

Written by: Stéphane Cloutier, Sales Major Account, Secco Ventilation 

Part 2: http://jameswayfarmeq.com/news/animal-comfort-begins-with-ventilation-part-2-39.aspx



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