Now showing items 1-5 of 5

    • Dairy Ammonia Loss Estimation Worksheet 

      Czymmek, Karl; Gooch, Curt (2017-11-01)
      This worksheet was developed to assist farms in performing a good faith estimate of the minimum and maximum ammonia emissions from their farmstead (barns and adjacent manure storage(s). The worksheet is designed such that ...
    • Guidance on Evaluating Calf Barns Relative to Ventilation Needs 

      Bockhahn, Jennifer; Gooch, Curt (2018-11-19)
      This decision tree can be used to provide general guidance on calf barn ventilation system evaluation. Calf ventilation systems are evaluated to provide ideal air exchange in the calf nose zone, located at the same level ...
    • Tunnel Ventilation for Tie Stall Dairy Barns 

      Tyson, John; McFarland, Dan; Graves, Robert (2014)
      Tunnel ventilation is a special summer ventilation system that provides a combination of the high air exchange rates and high-speed airflow over cows to help cows remove body heat during hot weather. Tunnel ventilation ...
    • Ventilation of Pre-Weaned Calf Barns: Part 1 Principles and Concepts 

      Bockhahn, Jennifer; Gooch, Curt (2018-11-19)
      Good calf barn ventilation is a significant contributor to the health and welfare of calves. Some diseases spread through the air, and inadequate air exchange rates can favor higher concentrations of pathogens. Therefore, ...
    • Ventilation of Pre-Weaned Calf Barns: Part 2 Overview of Methods 

      Bockhahn, Jennifer; Gooch, Curt (2018-11-19)
      Air exchange can be achieved through the use of natural ventilation, mechanical ventilation, or a combination of both commonly known as natural assist. All three types of ventilation systems require carefully designed air ...