News Release

  • Big Herdsman new model of automatic layer building

    Big Herdsman new model of automatic layer building

    Everything turns fresher since spring comes back again. Recently, Mr. Tian Manchang, President of Qingdao Big Herdsman Machinery Co., Ltd., and Mr. Qian Wen, Chairman of Tiandong Qian’s Fresh Egg Breeding Co., Ltd. signed a contract on the building breeding project of Qian’s layers, a...
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  • Increasing Evaporative Cooling Pad Set Temperatures

    Increasing Evaporative Cooling Pad Set Temperatures

    Evaporative cooling Tunnel ventilation Figure 1 shows the outside temperature and relative humidity during the last three weeks on a farm growing a 56-day-old broiler during the month of August in 2013.  Though the weather was relatively mild, outside temperatures still reached between 86oF and ...
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  • Measuring Outside Air Temperature

    Measuring Outside Air Temperature

    Having an accurate outside temperature sensor wired into a house’s environmental controller can be helpful in managing the environment within a poultry house.  During cold weather some controllers are able to adjust minimum ventilation rates based on outside temperature.  This can be helpful be...
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  • Increasing Sidewall Height Doesn’t Significantly Increase Heating Costs

    Increasing Sidewall Height Doesn’t Significantly Increase Heating Costs

    There is a common misconception that a poultry house with a higher ceiling will have a significantly higher heating costs than one with a lower ceiling.  The truth is that how much it costs to heat a poultry house has much more to do with how well it is insulated and ventilated than how high th...
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  • High Humidity Improves Fan Performance

    High Humidity Improves Fan Performance

    Does high humidity affect the performance of exhaust fans? Yes, but probably not as much as you think and not in the way you may believe. Most people believe that humid air is heavier than dry air. After all, humid air has more moisture in it and therefore should weigh ...
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  • Breeder House Lighting System Retrofit

    Breeder House Lighting System Retrofit

    High pressure sodium (HPS) lights have been used in broiler-breeder houses for decades due to their very high lumen output.  The typical 150-watt HPS fixture produces approximately 16,000 lumens of light which is 16 times the amount of light produced by a 75-watt incandescent light bulb. The dow...
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